Minerals from Arkansas

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

Analcime on Orthoclase from 3M Quarry, Granite Mountain, Pulaski County, Arkansas

Analcime on Orthoclase with Chlorite from 3M Quarry, Granite Mountain, Pulaski County, Arkansas

Analcime, Aegirine, Orthoclase, Chlorite, Biotite from 3M Quarry, Granite Mountain, Pulaski County, Arkansas

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

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

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

Bauxite from Pulaski County, Arkansas

Bauxite (ore of aluminum) from Montgomery County, Arkansas

Beraunite, Kidwellite, Cacoxenite, Goethite from Coon Creek Mine, Polk County, Arkansas

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

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 from Magnet Cove, Hot Spring County, Arkansas

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

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

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

Cacoxenite from Coon Creek Mine, Polk County, Arkansas

Cacoxenite on Goethite from Coon Creek Mine, Polk County, Arkansas

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

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

Calcite and Dolomite from Ben Hogan Quarry, Black Rock, Lawrence County, Arkansas

Calcite and Dolomite from Vulcan Quarry, Black Rock, Lawrence County, Arkansas

Calcite and Dolomite from Meridian Quarry, Black Rock, Lawrence County, Arkansas

Calcite on Dolomite from Black Rock, Arkansas

Calcite on Dolomite from Black Rock Quarry, Lawrence County, Arkansas

Calcite on Dolomite with Pyrite from Meridian Quarry, Black Rock, Lawrence County, Arkansas

Calcite on Dolomite with Pyrite from Meridian Quarry, Black Rock, Lawrence County, Arkansas

Calcite on Dolomite with Pyrite from Meridian Quarry, Black Rock, Lawrence County, Arkansas

Calcite on Dolomite with Pyrite from Meridian Quarry, Black Rock, Lawrence County, Arkansas

Calcite, Dolomite, Chalcopyrite from Black Rock Quarry, Lawrence County, Arkansas

Calcite, Dolomite, Smithsonite from Monte Cristo Mine, Rush Creek District, Marion County, Arkansas

Celestine, Calcite, Pyrite from Briar Gypsum Mine, Howard County, Arkansas

Cookeite on Quartz from Stand On Your Head Claim, Saline County, Arkansas

Cookeite on Quartz from Stand On Your Head #1 Claim, Saline County, Arkansas

Cookeite on Quartz from Cloud's Mine, Saline County, Arkansas

Cookeite on Quartz from Stand On Your Head Claim, Saline County, Arkansas

Cookeite on Quartz from Stand On Your Head Claim, Saline County, Arkansas

Delindeite from Diamond Jo quarry, Magnet Cove, Hot Spring County, Arkansas (Type Locality for Delindeite)

Diamond (0.04 carat pale-yellow flattened crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.05 carat pale-brown flattened crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.06 carat colorless irregular crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.06 carat pale-brown irregular crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.06 carat pale-yellow octahedral crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.08 carat pale-brown dodecahedral crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.08 carat yellow elongated crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.10 carat pale-brown elongated dodecahedral crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.10 carat pale-brown irregular crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.12 carat pale-brown irregular crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.13 carat pale-brown elongated crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.13 carat pale-brown irregular crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.16 carat pale-brown irregular crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.16 carat pale-brown octahedral crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.17 carat pale-brown irregular crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.18 carat colorless macle, twinned crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.21 carat white crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.22 carat colorless macle, twinned crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.23 carat brown irregular crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.23 carat white crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.28 carat pale-brown octahedral crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.32 carat brown irregular crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (0.96 carat brown octahedral crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Diamond (1.21 carat flawless yellow elongated tetrahexahedral crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas

Dolomite from Black Rock Quarry, Lawrence County, Arkansas

Dolomite and Chalcopyrite from Black Rock Quarry, Lawrence County, Arkansas

Dolomite on Quartz from Black Rock Quarry, Lawrence County, Arkansas

Dolomite with Chalcopyrite from Hoxie (Black Rock Quarry), Lawrence County, Arkansas

Dolomite with Chalcopyrite from Black Rock, Lawrence County, Arkansas

Dolomite, Calcite, Chalcopyrite from Black Rock Quarry, Lawrence County, Arkansas

Dolomite, Calcite, Pyrite from Black Rock Quarry, Lawrence County, Arkansas

Dolomite, Chalcopyrite, Pyrite, Marcasite from Hoxie, Lawrence County, Arkansas

Dolomite, Chalcopyrite, Quartz from Black Rock Quarry, Lawrence County, Arkansas

Eudialyte from Magnet Cove, Hot Spring County, Arkansas

Eudialyte and Aegirine from Magnet Cove, Hot Spring County, Arkansas

Eudialyte var. eucolite from Magnet Cove, Hot Spring County, Arkansas

Goethite from Garland County, Arkansas

Greenockite, Sphalerite, Smithsonite from Rush Creek District, Marion County, Arkansas

Hematite var. Flowstone from Route 67 road cut, near Arkadelphia, Clark County, Arkansas

Hemimorphite on Dolomite from Mattie Mae Mine, Rush Creek District, Marion County, Arkansas

Kidwellite, Beraunite, Cacoxenite, Goethite from Coon Creek Mine, Polk County, Arkansas

Kidwellite, Cacoxenite, Beraunite from Coon Creek Mine, Polk County, Arkansas

Magnetite from Magnet Cove, Hot Spring County, Arkansas

Magnetite from Perovskite Hill, Magnet Cove, Hot Spring County, Arkansas

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

Miserite from Wilson Mineral Springs, Hot Spring County, Arkansas (Type Locality for Miserite)

Miserite from Union Carbide Mine, Wilson Springs, Hot Spring County, Arkansas (Type Locality for Miserite)

Miserite with Wollastonite from Union Carbide Mine, Wilson Springs, Arkansas (Type Locality for Miserite)

Monticellite from Magnet Cove, Hot Spring County, Arkansas

Opal-CT and Quartz var. Chalcedony pseudomorphs after Wavellite from Mauldin Mountain Quarry, Montgomery County, Arkansas

Opal-CT and Quartz var. Chalcedony pseudomorphs after Wavellite from Mauldin Mountain Quarry, Montgomery County, Arkansas

Opal-CT and Quartz var. Chalcedony pseudomorphs after Wavellite from Mauldin Mountain Quarry, Montgomery County, Arkansas

Opal-CT and Quartz var. Chalcedony pseudomorphs after Wavellite from Mauldin Mountain Quarry, Montgomery County, Arkansas

Opal-CT and Quartz var. Chalcedony pseudomorphs after Wavellite from Mauldin Mountain Quarry, Montgomery County, Arkansas

Opal-CT and Quartz var. Chalcedony pseudomorphs after Wavellite with Calcite from Mauldin Mountain Quarry, Montgomery County, Arkansas

Orthoclase pseudomorph after Leucite from Magnet Cove, Hot Spring County, Arkansas

Otavite inclusions in Smithsonite from Monte Cristo Mine, Rush Creek District, Marion County, Arkansas

Perovskite from Magnet Cove, Hot Spring County, Arkansas

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

Perovskite var. Dysanalite from Kimzey Quarry, Magnet Cove, Hot Spring County, Arkansas

Perovskite var. Dysanalyte from Magnet Cove, Hot Spring County, Arkansas

Perovskite var. Dysanalyte from Perovskite Hill, Magnet Cove, Hot Spring County, Arkansas

Perovskite var. Dysanalyte from Perovskite Hill, Magnet Cove, Hot Spring County, Arkansas

Perovskite var. Dysanalyte from Perovskite Hill, Magnet Cove, Hot Spring County, Arkansas