n Minerals

Buergerite Tourmaline on matrix from near Mexquitic, San Luis Potosi, Mexico (Type Locality for Buergerite)

Bultfonteinite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

Bultfonteinite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

Bultfonteinite and Olmiite from Wessels Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Bultfonteinite and Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Bultfonteinite and Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Bultfonteinite with Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Bultfonteinite with Oyelite from N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

Burbankite from Mont Saint-Hilaire, Québec, Canada

Burckhardtite and Tellurite from Mina La Bambolla, Moctezuma, Sonora, Mexico (Type Locality for Burckhardtite)

Buserite, Birnessite, Vernadite from Tenpo Seamount, 2200 meter depth, Nishi Shichito Ridge, Izu Bonin Archaeal, Pacific Ocean

Bustamite and Tephroite from Jail Hill Quarry, Haddam, Middlesex County, Connecticut

Bustamite and Willemite from Franklin Mining District, Sussex County, New Jersey (Type Locality for Bustamite)

Bustamite and Willemite from Franklin Mining District, Sussex County, New Jersey (Type Locality for Bustamite)

Bustamite in Calcite from Broken Hill, New South Wales, Australia

Bustamite in Calcite from Broken Hill, New South Wales, Australia

Bustamite in Galena from Broken Hill, New South Wales, Australia

Bustamite in Galena from 2500' level, Zinc Mine, Broken Hill, New South Wales, Australia

Bustamite in Galena from 2500' level, Zinc Mine, Broken Hill, New South Wales, Australia

Bustamite in Galena from NBH Mine, Broken Hill, New South Wales, Australia

Bustamite in Galena, Sphalerite and Chalcopyrite from Broken Hill, New South Wales, Australia

Bustamite on Apophyllite from Zinc Corporation Mine, Broken Hill, New South Wales, Australia

Bustamite with Galena from Broken Hill, New South Wales, Australia

Bustamite with Galena from Broken Hill, New South Wales, Australia

Bustamite, Willemite, Calcite, Franklinite from Franklin Mining District, Sussex County, New Jersey (Type Locality for Bustamite and Franklinite*Franklinite)

Bustamite, Willemite, Franklinite from Franklin Mining District, Sussex County, New Jersey (Type Locality for Bustamite and Franklinite)

Bykovaite and Ussingite from Shkatulka Pegmatite, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia (Type Locality for Bykovaite)

Byssolite over Magnetite from French Creek Mine, St. Peters, Pennsylvania

Böhmite (Boehmite) and Natrolite from Saga Quarry, west of Tvedalen, Telemark, Norway

Cacoxenite from Coon Creek Mine, Polk County, Arkansas

Cacoxenite from Hellertown, Lehigh County, Pennsylvania

Cacoxenite from Noble's Mine, Beartown, Lancaster County, Pennsylvania

Cacoxenite from Eleonore Mine, Dunnsberg, Geissen, Hessen, Germany

Cacoxenite from Noble's Mine, Beartown, Lancaster County, Pennsylvania

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

Cacoxenite on Limonite from Hellertown, Northampton, Pennsylvania

Cacoxenite with Beraunite from near Hellertown, Nothampton County, Pennsylvania

Cadmoindite from Kudriavy, Iturup Island, Russia (Type Locality for Cadmoindite)

Calaverite in Quartz from Portland Mine, Cripple Creek District, Teller County, Colorado

Calaverite, Krennerite, Sylvanite from El Paso Mine, Cripple Creek District, Teller County, Colorado

Calcio-ancylite pseudomorph after Rémondite from Mont Saint-Hilaire, Québec, Canada

Calcioandyrobertsite with Serpierite, Brochantite from Tsumeb Mine, 43 Level, 3rd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for Calcioandyrobertsite)

Calciozincite from Franklin Mining District, Sussex County, New Jersey

Calcite (best of find) from Interstate 290 and Interstate 495 interchange, Marlborough, Middlesex County, Massachusetts

Calcite (butterfly-habit twinned crystals) from Santa Eulalia District, Aquiles Serdán, Chihuahua, Mexico

Calcite (Butterfly-twinned crystals) from Huancano Prospect, Pisco Province, Peru

Calcite (butterfly-twinned crystals) with Stibnite inclusions from Xikuangshan, 12 km northeast of Lengshuijiang, Hunan Province, China

Calcite (Butterfly-Twins) from Eyam, North Derbyshire, England

Calcite (Butterfly-Twins) from Eyam, North Derbyshire, England

Calcite (Butterfly-Twins) from Eyam, North Derbyshire, England

Calcite (butterfly-twins) on Quartz from Lower New Street Quarry, Paterson, Passaic County, New Jersey

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

Calcite (c-axis twin) from Pugh Quarry, 6 km NNW of 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 twin) on Sphalerite 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 twinned crystals) from Gallatin Creek, Gallatin County, Montana

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 (C-axis twins) from Tongguangshan Iron Mine, Daye County, China

Calcite (cavernous crystals) from St. Andreasberg, Harz Mountains, Lower Saxony, Germany

Calcite (cobalt-rich) on Calcite from Bou Azzer District, Anti-Atlas Mountains, Tazenakht, Ouarzazate, Morocco

Calcite (cobalt-rich) with Hematite-Goethite inclusions from Agoudal, Bou Azzer District, Anti-Atlas Mountains, Tazenakht, Ouarzazate, Morocco

Calcite (Cobaltoan) from Mupine Mine, Kolwezi District, Katanga Copperbelt, Lualaba Province, Democratic Republic of the Congo

Calcite (contact twinned crystals) from Thomasville Crushed Stone Quarry, Jackson Township, York County, Pennsylvania

Calcite (contact twinned crystals) from Thomasville Crushed Stone Quarry, Jackson Township, York County, Pennsylvania

Calcite (contact-twinned crystals) from Daye, Huangshi, Hubei, China

Calcite (contact-twinned crystals) from Anderson Rock Products Quarry, Anderson, Madison County, Indiana

Calcite (contact-twinned crystals) from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Calcite (contact-twinned crystals) from Millington Quarry, Bernards Township, Somerset County, New Jersey

Calcite (contact-twinned crystals) from Roosevelt Avenue Quarry (York Stone Quarry), York, York County, Pennsylvania

Calcite (contact-twinned) on Calcite with Limonite coating from Daye, Huangshi, Hubei, China

Calcite (Double Twin Crystals) from Santa Eulalia District, Aquiles Serdán, Chihuahua, Mexico

Calcite (double twinned crystals) from Leiping Mine, Guiyang, Hunan, China

Calcite (floater formation) from Millington Quarry, Bernards Township, Somerset County, New Jersey

Calcite (fluorescent and phosphorescent) from Jose Maria Patoni, Durango, Mexico

Calcite (fluorescent and phosphorescent) from Jose Maria Patoni, Durango, Mexico

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 and phosphorescent) from Jose Maria Patoni, 35 south of Rodeo, Durango, Mexico

Calcite (fluorescent and phosphorescent) from Jose Maria Patoni, 35 south of Rodeo, Durango, Mexico

Calcite (fluorescent and phosphorescent) from Nuevo Leon, Mexico

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

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

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

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

Calcite (fluorescent) from Raygill Mine, Hawes, Wensleydale, North Yorkshire, England

Calcite (hollow stalactitic formation) from Florida Lime Co. Quarry, Brooksville, Hernando County, Florida

Calcite (in stacked parallel formations) from Yaogangxian Mine, Nanling Mountains, Hunan, China

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

Calcite (internally zoned) from Dalnegorsk, Primorskiy Kray, Russia

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

Calcite (interpenetrant twinned crystals) from Chimney Rock Quarry, Bound Brook, Somerset County, New Jersey

Calcite (interpenetrant twinned crystals) from Hilltop Mine, Cochise County, Arizona

Calcite (interpenetrant twinned crystals) from Millington Quarry, Bernards Township, Somerset County, New Jersey

Calcite (interpenetrant twinned crystals) from Millington Quarry, Bernards Township, Somerset County, New Jersey

Calcite (interpenetrant twins) from Sokolovskiy-Sarbaiskiy Mine, Rudnyy, Kustanay Oblast, Kazakhstan

Calcite (interpenetrant-twinned crystals) from Chimney Rock Quarry, Bound Brook, Somerset County, New Jersey

Calcite (interpenetrant-twinned crystals) from Oxbow-Rossie Road, Rossie, St. Lawrence County, New York

Calcite (interpenetrant-twinned crystals) on Datolite Cast from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey

Calcite (interpenetrant-twinned crystals) on Prehnite from Millington Quarry, Bernards Township, Somerset County, New Jersey

Calcite (interpenetrant-twinned crystals) on Prehnite from Millington Quarry, Bernards Township, Somerset County, New Jersey

Calcite (interpenetrant-twinned) from Sokolovskiy-Sarbaiskiy Mine, Rudnyy, Kustanay Oblast, Kazakhstan

Calcite (Manganese-rich) from Pachapaqui District, Bolognesi Province, Ancash Department, Peru

Calcite (manganiferous) from Zacatecas, Mexico

Calcite (Manganoan) from Idarado Mine, Ouray District, Ouray County, Colorado

Calcite (Manganoan) from Argentine Vein, Idarado Mine, Ouray District, San Miguel County, Colorado

Calcite (Mn-rich) from Pachapaqui Mine, Bolognesi Province, Ancash Department, Peru

Calcite (Mn-rich) from Dalnegorsk, Primorskiy Kray, Russia

Calcite (Mn-rich) from Pachapaqui District, Bolognesi Province, Ancash Department, Peru

Calcite (Mn-rich) from Mina el Potosí, Santa Eulalia District, Aquiles Serdán, Chihuahua, Mexico

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

Calcite (Mn-rich) with Pyrite from Pachapaqui District, Bolognesi Province, Ancash Department, Peru

Calcite (Mn-rich), Fluorite, Sphalerite, Galena, Pyrite from Naica District, Saucillo, Chihuahua, Mexico

Calcite (parallel formation) from Millington Quarry, Bernards Township, Somerset County, New Jersey

Calcite (Poker Chip or Coin crystal formation) from San Sebastian Mine, Charcas, San Luis Potosi, Mexico

Calcite (prismatic hexagonal form) from Dalnegorsk, Primorskiy Kray, Russia

Calcite (rare twins on {01·2} plane) from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite (Scepter Formation) from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey

Calcite (secondary mine formation) from Copper Queen Mine, Bisbee, Warren District, Cochise County, Arizona

Calcite (twin crystals) from Eagle-Picher Mine, Shullsburg District, Lafayette County, Wisconsin

Calcite (twin crystals) from Dragon Cement Quarry, Thomaston, Maine

Calcite (twin crystals) from Dragon Cement Quarry, Thomaston, Maine

Calcite (twinned crystal) with Pyrite inclusions from H.R. Miller Limestone Quarry, Wabank Road, Millersville, Lancaster County, Pennsylvania

Calcite (twinned crystals on Quartz) from Nashik District, Maharashtra, India

Calcite (twinned crystals with internal phantom zones) from Palmarejo Mine, Chihuahua, Mexico

Calcite (twinned crystals) from Hengyan, Hunan Province, China

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

Calcite (twinned crystals) from Santa Eulalia District, Aquiles Serdán, Chihuahua, Mexico

Calcite (twinned crystals) from Daye, Huangshi, Hubei, China

Calcite (twinned crystals) from Daye, Huangshi, Hubei, China

Calcite (Twinned Crystals) from Daye Fengjiashan Wollastonite Mine, Hubai, China

Calcite (twinned crystals) from Daye, Huangshi, Hubei, China

Calcite (twinned crystals) from Daye, Huangshi, Hubei, China

Calcite (twinned crystals) from Mina la Aurora, Cuchillo Parado, Areponapuchic, Bocoyna, Chihuahua, Mexico

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

Calcite (Twinned Crystals) from Huangshaping, 30 km from Guiyang, Hunan Province, China

Calcite (twinned crystals) from Egremont, West Cumberland Iron Mining District, Cumbria, England

Calcite (twinned crystals) from Dalnegorsk, Primorskiy Kray, Russia

Calcite (twinned crystals) from Egremont, West Cumberland Iron Mining District, Cumbria, England

Calcite (twinned crystals) from York Stone Quarry, York County, Pennsylvania

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

Calcite (twinned crystals) from north of Rome, Floyd County, Georgia