Minerals from Midwest, USA

Aegirine from Magnet Cove, Hot Spring County, Arkansas

Aegirine var. Acmite with Nepheline from Magnet Cove, Hot Spring County, Arkansas

Albite from Magnet Cove, Hot Spring County, Arkansas

Algodonite from Painsdale, Houghton County, Michigan

Algodonite from Mohawk Mine, Keweenaw Peninsula Copper District, Keweenaw County, Michigan

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid lode, Michigan (Type Locality for Mohawkite)

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid lode, Michigan (Type Locality for Mohawkite)

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid lode, Michigan (Type Locality for Mohawkite)

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid Lode, Keweenaw Peninsula Copper District, Michigan (Type Locality for Mohawkite)

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid Lode, Keweenaw Peninsula Copper District, Michigan (Type Locality for Mohawkite)

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid Lode, Keweenaw Peninsula Copper District, Michigan (Type Locality for Mohawkite)

Almandine Garnet from Custer County, South Dakota

Almandine Garnet and Schorl from Custer Pegmatite District, Custer County, South Dakota

Alstonite over Fluorite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Alstonite with Witherite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Analcime from Phoenix Mine, Phoenix, Keweenaw County, Michigan

Analcime from Phoenix Mine, Keweenaw Peninsula Copper District, Michigan

Analcime from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

Analcime and Calcite from Copper Falls Mine, Keweenaw County, Michigan

Analcime and Native Copper from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

Analcime with Copper inclusions from Keweenaw Peninsula Copper District, Michigan

Analcime with Copper inclusions and Apophyllite-(KF) overgrowth from Phoenix Mine, Keweenaw Peninsula Copper District, Michigan

Analcime with Native Copper from Phoenix Mine, Keweenaw Peninsula Copper District, Michigan

Analcime, Copper, Microcline, Calcite from Keweenaw Peninsula Copper District, Houghton County, Michigan

Analcime, Quartz, Hematite from Cliff Mine, Phoenix, Keweenaw County, Michigan

Anatase pseudomorph after Perovskite from Cove Creek Bridge at U. S. Route 270, Magnet Cove, Hot Springs County, Arkansas

Anatase pseudomorph after Perovskite from Perovskite Hill, Magnet Cove, Hot Spring County, Arkansas

Anatase pseudomorph after Perovskite on Magnetite from Perovskite Hill, Magnet Cove, Hot Spring County, Arkansas

Andradite var. Melanite Garnet from Magnet Cove, Hot Spring County, Arkansas

Andradite var. Melanite Garnet from Magnet Cove, Hot Spring County, Arkansas

Anglesite from Missouri

Anglesite with Galena from Potosi, Washington County, Missouri

Apophyllite, Calcite and Native Copper from Phoenix Mine, Houghton County, Michigan

Apophyllite-(KF) from Keweenaw Peninsula, Lake Superior, Michigan

Apophyllite-(KF) from Keweenaw Peninsula Copper District, Houghton County, Michigan

Aragonite from Old Moline Quarry, Moline, Kansas

Aragonite from Rice's Cave, Dubuque, Dubuque County, Iowa

Aragonite from Northern region (Harper County?), Oklahoma

Aragonite from Badlands, South Dakota

Aragonite Twins from Northwestern Areas, Oklahoma

Aragonite with Sulfur from Moss Bluff Dome, Liberty County, Texas

AutoLite Carbide Miner's Lamp from Universal Lamp Company, Chicago, Cook County, Illinois

Autunite from Black Hills, South Dakota

Bacculite from Fort Thomson, Missouri River, South Dakota

Barite from Pugh Quarry, Custar, Ohio

Barite from Pugh Quarry, Custar, Ohio

Barite from Elk Creek, Meade County, South Dakota

Barite from Buckshot Mine, Morgan County, Missouri

Barite from Lamb Mine, Morgan County, Missouri

Barite from Proctor Creek, Morgan County, Missouri

Barite from Pugh Quarry, Custar, Ohio

Barite from Buckshot Mine, Morgan County, Missouri

Barite from Lamb Mine, Gravois Mills, Morgan County, Missouri

Barite from Murphy Barite Mine, Houston, Texas County, Missouri

Barite from Lamb Mine, Morgan County, Missouri

Barite from Lamb Mine, Iron County, Missouri

Barite from Montreal Mine, Iron County, Wisconsin

Barite from Cave in Rock District, Hardin County, Illinois

Barite from Cave-in-Rock District, Hardin County, Illinois

Barite from Montreal Mine, Montreal, Iron County, Wisconsin

Barite from Elk Creek, Meade County, South Dakota

Barite from Buckshot Mine, Lincoln, Benton County, Missouri

Barite from Minerva #1 Mine, Harris Creek Fluorspar District, Hardin County, Illinois

Barite from Cave-In-Rock District, Hardin County, Illinois

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Rosiclare level, Denton Mine, Goose Creek Group, Hardin County, Illinois

Barite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite from Pugh Quarry (France Stone Co. Custar Quarry), Custar, Wood County, Ohio

Barite from Pugh Quarry (France Stone Co. Custar Quarry), Custar, Wood County, Ohio

Barite from Pugh Quarry (France Stone Co. Custar Quarry), Custar, Wood County, Ohio

Barite from Pugh Quarry (France Stone Co. Custar Quarry), Custar, Wood County, Ohio

Barite from Pugh Quarry (France Stone Co. Custar Quarry), Custar, Wood County, Ohio

Barite from Pugh Quarry (France Stone Co. Custar Quarry), Custar, Wood County, Ohio

Barite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Baroid Mine, Magnet Cove, Hot Spring County, Arkansas

Barite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite from Cave-in-Rock District, Hardin County, Illinois

Barite from Elk Creek, Meade County, South Dakota

Barite from Harris Creek District, Hardin County, Illinois

Barite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite from Cave-in-Rock District, Hardin County, Illinois

Barite from Elk Creek, Meade County, South Dakota

Barite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite from Elmwood Mine, Carthage, Smith County, Tennessee

Barite from Elk Creek, Meade County, South Dakota

Barite and Calcite from Cave in Rock District, Hardin County, Illinois

Barite and Calcite from Elk Creek, Meade County, South Dakota

Barite and Calcite over Fluorite from Minerva Mine #1, Rosiclare Level, Cave-in-Rock District, Hardin County, Illinois

Barite and Calcite over Fluorite from Cave-in-Rock District, Hardin County, Illinois

Barite and Fluorite on Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Barite and Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Barite on Calcite from Pugh Quarry, Custar, Wood County, Ohio

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Pugh Quarry, Weston, Wood County, Ohio

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Beatrice, Gage County, Nebraska

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite on Calcite from Elk Creek, near Elm Springs, Meade County, South Dakota

Barite on Calcite from Clay Center, Ottawa County, Ohio

Barite on Calcite from Minerva #1 Mine (Ozark-Mahoning No. 1 Mine), Cave-in-Rock District, Hardin County, Illinois

Barite on Calcite from Elmwood Mine, Carthage, Smith County, Tennessee

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Fluorite from Cave-in-Rock District, Hardin County, Illinois

Barite on Fluorite from Sub-Rosiclare Level, Annabel Lee Mine, Harris Creek District, Hardin County, Illinois

Barite on Fluorite from Cave-in-Rock District, Hardin County, Illinois

Barite on Fluorite from Annabel Lee Mine, Hardin County, Illinois

Barite on Fluorite from Cave-in-Rock District, Hardin County, Illinois

Barite on Fluorite from Crystal #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite on Fluorite from Crystal #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite on Fluorite from Rosiclare District, Hardin County, Illinois

Barite on Fluorite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite on Fluorite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite on Fluorite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite on Fluorite from Hill-Ledford Mine, sub-Rosiclare Level, Cave-in-Rock District, Hardin County, Illinois

Barite on Fluorite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite on Fluorite with Quartz from Rosiclare District, Hardin County, Illinois

Barite on Fluorite, Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Barite on Manganite from Lucy Mine, Negaunee, Marquette County, Michigan

Barite on Quartz from Cadet, Washington County, Missouri

Barite on Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Barite on Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Barite over Calcite from Cave-in-Rock District, Hardin County, Illinois

Barite over Fluorite from Crystal Mine, Cave-in-Rock District, Hardin County, Illinois

Barite over Fluorite from Cave-in-Rock District, Hardin County, Illinois

Barite var. Desert Rose from Garber Sandstone Formation, near Norman, Cleveland County, Oklahoma

Barite var. Desert Rose from Garber Sandstone Formation, near Norman, Cleveland County, Oklahoma

Barite var. Desert Rose from Garber Sandstone Formation, near Norman, Cleveland County, Oklahoma

Barite with Calcite from Pugh Quarry, Custar, Ohio

Barite with Calcite from Pugh Quarry, Custer, Wood County, Ohio

Barite with Calcite from Minerva Mine #1, Sub-Rosiclare Level, Cave-in-Rock District, Hardin County, Illinois

Barite with Calcite from Pugh Quarry (France Stone Co. Custar Quarry), Custar, Wood County, Ohio

Barite with Calcite from Elmwood Mine, Carthage, Smith County, Tennessee

Barite with Calcite from Elk Creek, Meade County, South Dakota

Barite with Chalcopyrite and Hematite from Pilot Knob Mine, Iron County, Missouri

Barite with Fluorite from Caldwell Stone Quarry, Danville, Boyle County, Kentucky

Barite with Fluorite from Minerva #1 Mine, Rosiclare Level, Cave-in-Rock District, Hardin County, Illinois

Barite with Fluorite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite with Fluorite from Caldwell Stone Quarry, Danville, Boyle County, Kentucky

Barite with Marcasite from White Pine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan

Barite with Strontianite from Cave-in-Rock District, Hardin County, Illinois

Barite, Calcite, Copper from Keweenaw Peninsula Copper District, Michigan

Barite, Calcite, Fluorite from Cave-in-Rock District, Hardin County, Illinois

Barite, Calcite, Fluorite from Cave-in-Rock District, Hardin County, Illinois

Barite, Fluorite, Calcite, Sphalerite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite, Fluorite, Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Bauxite from Pulaski County, Arkansas

Bauxite (ore of Aluminum) from near Chattanooga, Tennessee

Bauxite (ore of aluminum) from Montgomery County, Arkansas

Bauxite (ore of aluminum) from Chattanooga, Chattanooga County, Tennessee

Benstonite on Fluorite with Bitumen from Cave-in-Rock District, Hardin County, Illinois

Benstonite over Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Beryl from Keystone Mining District, Black Hills, Pennington County, South Dakota

Bindheimite from Silver City, Pennington County, South Dakota

Biotite Mica from Route 270 road cut, Magnet Cove, Hot Spring County, Arkansas

Bornite, Chalcopyrite, Pyrite from (Cliffs Shaft Mine), Ishpeming, Marquette County, Michigan

Brochantite from Paoli, Pauls Valley, Garvin County, Oklahoma

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Arkansas

Brookite from Moses Hill, Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Molybdenum-Titanium Corp. mine, Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite from Jones Mill Quarry, Magnet Cove, Hot Spring County, Arkansas

Brookite from Hardy-Walsh Mine, Magnet Cove, Hot Spring County, Arkansas

Brookite from Magnet Cove, Hot Spring County, Arkansas

Brookite in Smoky Quartz from Magnet Cove, Hot Spring County, Arkansas

Brookite on Quartz from Magnet Cove, Arkansas

Brookite on Quartz from Magnet Cove, Hot Spring County, Arkansas

Brookite on Quartz from Magnet Cove, Hot Spring County, Arkansas

Brookite on Quartz from Magnet Cove, Hot Spring County, Arkansas

Brookite on Quartz from Magnet Cove, Hot Spring County, Arkansas

Brookite on Quartz from Magnet Cove, Hot Spring County, Arkansas

Brookite on Quartz from Magnet Cove, Hot Spring County, Arkansas

Brookite on Quartz from Magnet Cove, Hot Spring County, Arkansas

Brookite on Quartz from Magnet Cove, Hot Spring County, Arkansas

Brookite on Quartz from Moses Hill, Magnet Cove, Hot Spring County, Arkansas

Brookite on Smoky Quartz from Magnet Cove, Hot Spring County, Arkansas

Brookite on Smoky Quartz from Moses Hill, Magnet Cove, Hot Spring County, Arkansas

Brookite on Smoky Quartz from Moses Hill, Magnet Cove, Hot Spring County, Arkansas

Brookite with Quartz from Magnet Cove, Hot Spring County, Arkansas

Calcite from Wallace Quarry, Bayport, Michigan

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Calcite from Lime City, Ohio

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Pugh Quarry, Custar, Ohio

Calcite from Pugh Quarry, Custar, Ohio

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Annabel Lee Mine, Hardin County, Illinois

Calcite from Blackstone Mine, Shullsburg, Wisconsin

Calcite from Platteville, Wisconsin

Calcite from North Vernon, Indiana

Calcite from Joplin, Tri-State Mining District, Jasper County, Missouri

Calcite from Paul Frank Quarry, North Vernon, Indiana

Calcite from Paul Frank Quarry, N. Vernon, Indiana

Calcite from Mid-Continent Mine, Picher, Ottawa County, Oklahoma

Calcite from Picher District, Ottawa County, Oklahoma

Calcite from Joplin, Tri-State Mining District, Jasper County, Missouri

Calcite from Golden Hawk Mine, Commerce, Oklahoma

Calcite from Pugh Quarry, Custar, Ohio

Calcite from Doe Run No. 9, 400' Level, Reynolds County, Missouri

Calcite from Terlingua District, Brewster County, Texas

Calcite from Joplin, Tri-State Mining District, Jasper County, Missouri

Calcite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite from Fogle Quarry, Ottawa, Kansas

Calcite from Fogle Quarry, Ottawa, Kansas

Calcite from Paul Frank Quarry, North Vernon, Indiana

Calcite from Mid-Continent Mine, Picher, Ottawa County, Oklahoma

Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Calcite from Fogle Quarry, Ottawa, Kansas

Calcite from Fogle Quarry, Ottawa, Kansas

Calcite from Maple Grove Quarry, southeast of Bettsville, Seneca County, Ohio

Calcite from Fogle Quarry, Ottawa, Kansas

Calcite from Fogle Quarry, Ottawa, Kansas

Calcite from Fogle Quarry, Ottawa, Kansas

Calcite from Mid-Continent Mine, Picher, Ottawa County, Oklahoma

Calcite from Mid-Continent Mine, Picher, Ottawa County, Oklahoma

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Ajax Mine, Baxter Springs, Kansas

Calcite from Paul Frank Quarry, North Vernon, Indiana

Calcite from Paul Frank Quarry, North Vernon, Indiana

Calcite from Paul Frank Quarry, North Vernon, Indiana

Calcite from Paul Frank Quarry, North Vernon, Indiana

Calcite from Shullsburg, Wisconsin

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Oskaloosa, Iowa

Calcite from Oskaloosa, Iowa

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Doe Run -Mine 29, 400' Level, Reynolds County, Missouri

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Meshberger Quarry, Bartholomew County, Indiana

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Ozark-Mahoning Mine, Cave-in-Rock, Hardin County, Illinois

Calcite from Minerva No. 1 Mine, Hardin County, Illinois

Calcite from Victory Mine, Hardin County, Illinois

Calcite from North Vernon, Jennings County, Indiana

Calcite from Clay Center, Ottawa County, Ohio

Calcite from North Vernon, Jennings County, Indiana

Calcite from St. Louis, St. Louis County, Missouri

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Berry Materials Quarry, North Vernon, Jennings County, Indiana

Calcite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from North Vernon, Jennings County, Indiana

Calcite from North Vernon, Jennings County, Indiana

Calcite from North Vernon, Jennings County, Indiana

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Columbus, Bartholomew County, Indiana

Calcite from Columbus, Bartholomew County, Indiana

Calcite from North Vernon, Jennings County, Indiana

Calcite from Tilden Mine, Bessemer, Gogebic County, Michigan

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Elk Creek, South Dakota

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Berry Materials Quarry, North Vernon, Indiana

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Berry Materials Quarry, North Vernon, Indiana

Calcite from Potosi, Washington County, Missouri

Calcite from Denton Mine, Harris Creek District, Hardin County, Illinois

Calcite from Paul Frank Quarry, North Vernon, Indiana

Calcite from Pea Ridge Mine, Washington County, Missouri

Calcite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite from Black Hills, South Dakota

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Picher District, Ottawa County, Oklahoma

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Central Kentucky Fluorspar District, Danville, Boyle County, Kentucky

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from turnpike roadcut near Louisville, Jefferson County, Kentucky

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Anderson, Madison County, Indiana

Calcite from Central Kentucky Fluorspar District, Danville, Boyle County, Kentucky

Calcite from Indiana

Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Calcite from Milliken Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Milliken Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite from Elk Creek, Meade County, South Dakota

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Monte Cristo Mine, Rush District, Marion County, Arkansas

Calcite from Caldwell Stone Quarry, Danville, Boyle County, Kentucky

Calcite from Corydon Crushed Stone Quarry, Harrison County, Indiana

Calcite from Milliken Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Pugh Quarry (France Stone Co. Custar Quarry), Custar, Wood County, Ohio

Calcite from Pugh Quarry (France Stone Co. Custar Quarry), Custar, Wood County, Ohio

Calcite from Pugh Quarry (France Stone Co. Custar Quarry), Custar, Wood County, Ohio

Calcite from Paul Frank Quarry, North Vernon, Jennings County, Indiana

Calcite from Paul Frank Quarry, North Vernon, Jennings County, Indiana

Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Calcite from St. Louis, St. Louis County, Missouri

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Paul Frank Quarry, North Vernon, Jennings County, Indiana

Calcite from Shullsberg, Lafayette County, Wisconsin

Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite from Mich Mine, Mahaska County, Iowa

Calcite from Paul Frank Quarry, North Vernon, Jennings County, Indiana

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Aurora, Kane County, Illinois

Calcite from Black Hills, South Dakota

Calcite from Berry Materials Quarry, North Vernon, Jennings County, Indiana

Calcite from Denton Mine, Harris Creek District, Hardin County, Illinois

Calcite from Shullsburg District, Lafayette County, Wisconsin

Calcite from Linwood Mine, Buffalo, Scott County, Iowa

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from North Vernon, Jennings County, Indiana

Calcite from North Vernon, Jennings County, Indiana

Calcite from Tri-State Lead Mining District, Picher, Ottawa County, Oklahoma

Calcite from Shullsburg District, Lafayette County, Wisconsin

Calcite from Shullsburg District, Lafayette County, Wisconsin

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Shullsburg District, Lafayette County, Wisconsin

Calcite from Knife Creek, St. Louis County, Missouri

Calcite from Corydon Crushed Stone Quarry, Harrison County, Indiana

Calcite from Berry Materials Quarry, North Vernon, Jennings County, Indiana

Calcite from Denton Mine, Harris Creek District, Hardin County, Illinois

Calcite from Tri-State Lead Mining District, Treece, Cherokee County, Kansas

Calcite from Berry Materials Quarry, North Vernon, Jennings County, Indiana

Calcite from Denton Mine, Harris Creek District, Hardin County, Illinois

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Rosiclare District, Hardin County, Illinois

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Denton Mine, Harris Creek District, Hardin County, Illinois

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Denton Mine, Harris Creek District, Hardin County, Illinois

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Tri-State Mine, Cardin, Ottawa County, Oklahoma

Calcite from Shullsburg District, Lafayette County, Wisconsin

Calcite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Maumee Quarry, Lucas County, Ohio

Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Calcite from Rosiclare District, Hardin County, Illinois

Calcite from Tri-State Lead Mining District, Picher, Ottawa County, Oklahoma

Calcite from Berry Materials Quarry, North Vernon, Jennings County, Indiana

Calcite from Berry Materials Quarry, North Vernon, Jennings County, Indiana

Calcite from Berry Materials Quarry, North Vernon, Jennings County, Indiana

Calcite from Berry Materials Quarry, North Vernon, Jennings County, Indiana

Calcite from Shullsburg District, Lafayette County, Wisconsin

Calcite from Shullsburg District, Lafayette County, Wisconsin

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Annabel Lee Mine, Harris Creek District, Hardin County, Illinois

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Robinson Mine, Tri-State Lead Mining District, near Treece, Cherokee County, Kansas

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Rosiclare District, Hardin County, Illinois

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Rensselaer Quarry, Pleasant Ridge, Jasper County, Indiana

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Aurora, Kane County, Illinois

Calcite from Shullsburg District, Lafayette County, Wisconsin

Calcite from Fogle Quarry, Ottawa, Franklin County, Kansas

Calcite from Minerva #1 Mine, Rosiclare Level, Cave-in-Rock District, Hardin County, Illinois

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from St. Joe Mine, No. 12 Shaft, Leadwood, Old Lead Belt, Saint Francois County, Missouri

Calcite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite from Paul Frank Quarry, North Vernon, Jennings County, Indiana

Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Calcite from Berry Materials Quarry, North Vernon, Jennings County, Indiana

Calcite from Anderson, Madison County, Indiana

Calcite from Paul Frank Quarry, North Vernon, Jennings County, Indiana

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Stoneco Auglaize Quarry, Junction, Paulding County, Ohio

Calcite from Berry Materials Quarry, North Vernon, Jennings County, Indiana

Calcite from Berry Materials Quarry, North Vernon, Jennings County, Indiana

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from (Logansport), Cass County, Indiana

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite from Anderson, Madison County, Indiana

Calcite from Minerva #1 Mine, Sub-Rosiclare Level, Cave-in-Rock District, Hardin County, Illinois

Calcite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite from Denton Mine, Harris Creek District, Hardin County, Illinois

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Cave-in-Rock District, Hardin County, Illinois

Calcite from Moloc Mine, Viburnum Trend District, Iron County, Missouri

Calcite from Annabel Lee Mine, Harris Creek District, Hardin County, Illinois

Calcite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite from Pugh Quarry, Custar, Wood County, Ohio

Calcite (C-axis Twin) from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (c-axis twin) from Pugh Quarry, Custar, Wood County, Ohio

Calcite (C-axis twin) from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (C-axis Twin) on Barite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (C-axis twinned crystals) from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite (C-axis twinned crystals) from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (C-axis twinned crystals) from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (C-axis Twins) from Central Kentucky Fluorspar District, Danville, Boyle County, Kentucky

Calcite (fluorescent and phosphorescent) from near Lampasas, Burnet County, Texas

Calcite (fluorescent and phosphorescent) from Terlingua District, Brewster County, Texas

Calcite (fluorescent and phosphorescent) from Terlingua District, Brewster County, Texas

Calcite (fluorescent and phosphorescent) from Terlingua District, Brewster County, Texas

Calcite (fluorescent and phosphorescent) from Terlingua District, Brewster County, Texas

Calcite (fluorescent and phosphorescent) from Terlingua District, Brewster County, Texas

Calcite (fluorescent) from Terlingua District, Brewster County, Texas

Calcite (interpenetrant twinned crystals) from Tri-State Lead-Zinc Mining District, Picher, Ottawa County, Oklahoma

Calcite (Mn-rich) on Psilomelane from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

Calcite (stalactitic) from Wyandotte Cave, Crawford County, Indiana

Calcite (twin crystals) from Eagle-Picher Mine, Shullsberg, Wisconsin

Calcite (twinned crystals) from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite (twinned crystals) from Scott Mine, Hockerville, Ottawa County, Oklahoma

Calcite (twinned crystals) from Anderson, Madison County, Indiana

Calcite (twinned crystals) from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) from Cave-in-Rock District, Hardin County, Illinois

Calcite (twinned crystals) from Anderson, Madison County, Indiana

Calcite (twinned crystals) from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite (twinned crystals) from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite (twinned crystals) from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite (twinned crystals) from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite (twinned crystals) from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite (twinned crystals) from Denton Mine, Harris Creek District, Hardin County, Illinois

Calcite (twinned crystals) from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) from Irving Materials Quarry, Anderson, Madison County, Indiana

Calcite (twinned crystals) from Berry Materials Quarry, North Vernon, Jennings County, Indiana

Calcite (twinned crystals) from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) from Big Bend, Brewster County, Texas

Calcite (twinned crystals) from Anderson, Madison County, Indiana

Calcite (twinned crystals) from Anderson, Madison County, Indiana

Calcite (twinned crystals) and Galena from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite (twinned crystals) on Limestone from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite - twinned crystals from Tri-State Mine, Cardin, Ottawa County, Oklahoma

Calcite - twinned crystals from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite - twinned crystals from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite - Twinned Crystals from Smith Quarry, Black Rock, Lawrence County, Arkansas

Calcite and Aragonite Stalactite from (Kentucky)

Calcite and Barite on Fluorite from Minerva #1 Mine, Cave-in-Rock, Hardin County, Illinois

Calcite and Barite over Fluorite from Rosiclare Sub-District, Hardin County, Illinois

Calcite and Celestine from Pugh Quarry, Custar, Wood County, Ohio

Calcite and Celestine from Scofield Quarry, Maybee, Monroe County, Michigan