Minerals from Maryland

Antigorite var. Picrolite from Delight Quarry, Soldiers' Delight Ridge, Baltimore County, Maryland

Antigorite var. Williamsite from Low's Mine, Maryland

Antigorite var. Williamsite from Low's Mine, Maryland

Antigorite var. Williamsite from Low's Mine, Maryland

Antigorite var. Williamsite from Low's Mine, Maryland

Antigorite var. Williamsite from Low's Mine, Maryland

Barite from Portland Cement Quarry, Union Bridge, Maryland

Barite with Siderite from clay mines west of Corriganville, Allegany County, Maryland

Brucite from Blue Mount Serpentine Quarry, White Hall, Baltimore County, Maryland

Brucite from Blue Mountain Quarry, White Hall, Baltimore County, Maryland

Brucite from Blue Mountain Quarry, White Hall, Baltimore County, Maryland

Calcite from Medford Quarry, Carroll County, Maryland

Calcite with Todorokite from Medford Quarry, Carroll County, Maryland

Calcite with Todorokite inclusions from Medford Quarry, Carroll County, Maryland

Chabazite var. Haydenite, Biotite, Heulandite var. Beaumontite from Little Falls, near Monkton, 33 km north of Baltimore, Baltimore County, Maryland

Chabazite-Ca var. Haydenite with Stilbite from Jones Falls, Baltimore County, Maryland

Chromite-Magnesiochromite from Delight Quarry, Soldiers' Delight Ridge, Baltimore County, Maryland

Clinochrysotile from Pylesville (probably Jenkins Asbestos Mine), Hartford County, Maryland

Dravite Tourmaline from H.T. Campbell Quarry, Texas, Baltimore County, Maryland

Dravite Tourmaline from H.T. Campbell Quarry, Texas, Baltimore County, Maryland

Dravite Tourmaline in Calcite from H.T. Campbell Quarry, Texas, Baltimore County, Maryland

Goethite from Oregon Ridge, Baltimore County, Maryland

Grossular Garnet from Rockville Crushed Stone Quarry, Montgomery County, Maryland

Grossular Garnet from Rockville Crushed Stone Quarry, Montgomery County, Maryland

Grossular Garnet and Albite from Rockville Crushed Stone Quarry, Rockville, Maryland

Grossular Garnet with Clinochlore from Hunting Hill Quarry, Rockville, Maryland

Gypsum var. Selenite from St. Mary's, Maryland

Kyanite with Biotite from Owings Mills, Baltimore County, Maryland

Magnesiochromite with Clinochlore from Delight Quarry, Reisertown, Baltimore County, Maryland

Magnetite from Broad Creek, Whiteford, Maryland

Magnetite from old talc mine near Pilottown, Maryland

Magnetite in Chlorite from Baltimore County, Maryland

Malachite from Union Bridge, Carroll County, Maryland

Mcguinnessite and Hydromagnesite from Rockville Quarry, Montgomery County, Maryland

Microcline, Titanite, Clinozoisite from Maryland Crushed Stone, Churchville Quarry, Harford County, Maryland

Microcline, Titanite, Clinozoisite from Maryland Crushed Stone, Churchville Quarry, Harford County, Maryland

Pokrovskite and Coalingite over Quartz from Hunting Hill Quarry, Rockville, Montgomery County, Maryland

Pyrite from Frostburg, Allegany County, Maryland

Serpentine from Baltimore County, Maryland

Siderite from Frostburg, Allegany County, Maryland

Siderite (iridescent) from Baltimore County, Maryland

Siderite and Barite from Frostburg, Allegany County, Maryland

Siderite nodule from Baltimore County, Maryland

Siderite with Barite from Frostburg Mine, Allegany County, Maryland

Siderite with Barite from Frostburg Mine, Allegany County, Maryland

Talc from Pilot, Cecil County, Maryland

Talc from old talc mine near Pilottown, Maryland

Talc var. Steatite from Pilot, Cecil County, Maryland