a Minerals

Quartz casts after Anhydrite from New Street Quarry, Paterson, Passaic County, New Jersey

Quartz casts after Anhydrite from New Street Quarry, Paterson, Passaic County, New Jersey

Quartz casts after Anhydrite with Prehnite from Lower New Street Quarry, Paterson, Passaic County, New Jersey

Quartz casts after Glauberite and Anhydrite from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey

Quartz casts and crystals from Manhan Lead Mines, Loudville District, 3 km northwest of Easthampton, Hampshire County, Massachusetts

Quartz coated with Prehnite from U.S. Route 1 road cut, south of Calais, Washington County, Maine

Quartz coating Fluorite on Quartz from Deer Trail Mine, Deer Trail Mountain-Alunite Ridge mining area, 8 km SSW of Marysvale, Piute County, Utah

Quartz coating Fluorite on Quartz from Deer Trail Mine, Deer Trail Mountain-Alunite Ridge mining area, 8 km SSW of Marysvale, Piute County, Utah

Quartz Concretion from Governador Valadares, Minas Gerais, Brazil

Quartz Concretion from Governador Valadares, Minas Gerais, Brazil

Quartz Crystal from White Haven, Luzerne County, Pennsylvania

Quartz Crystal from White Haven, Luzerne County, Pennsylvania

Quartz Crystal from railroad cut on eastern shore of Hudson River, between Schodak Landing and Poolsburg, Columbia County, New York

Quartz Crystal from White Haven, Luzerne County, Pennsylvania

Quartz Crystal from White Haven, Luzerne County, Pennsylvania

Quartz Crystals from Inwood Hill, Manhattan Island, New York City, New York

Quartz Crystals from Inwood Hill, Manhattan Island, New York City, New York

Quartz Crystals from Inwood Hill, Manhattan Island, New York City, New York

Quartz Crystals from Mali

Quartz Crystals from Coleman's Mine, Miller's Mountain, Jessieville, Garland County, Arkansas

Quartz di-pyramidal crystal with Hematite from Max Tessmer Farm, Chub Lake, near Hailesboro, Gouverneur, St. Lawrence County, New York

Quartz dissolved by hot spring water from Hot Springs, Garland County, Arkansas

Quartz epimorph after Anhydrite from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey

Quartz epimorph after Anhydrite from O.S. Prospect, Uncompaghre Mining District, Ouray, Colorado

Quartz epimorph after Calcite from Jalgaon, Maharashtra, India

Quartz epimorph after Laumontite from Diamond Ledge, Stafford Springs, Tolland County, Connecticut

Quartz epimorph after Laumontite from Diamond Ledge, Stafford Springs, Tolland County, Connecticut

Quartz epimorph after Laumontite from Diamond Ledge, Stafford Springs, Tolland County, Connecticut

Quartz epimorph after Natrolite from BerufjörOur, Reykjanes, Vesturland, Iceland

Quartz epimorph over Calcite from Mount Baldwin, Mono County, California

Quartz epimorph with Calcite from Mina San Vicente, Guanajuato, Mexico

Quartz epimorphs of Anhydrite from Silver Point Mine, Ouray County, Colorado

Quartz epimorphs of Anhydrite from Silver Point Mine, Ouray County, Colorado

Quartz epimorphs of Anhydrite from Silver Point Mine, Ouray County, Colorado

Quartz epimorphs of Anhydrite from Silver Point Mine, Ouray County, Colorado

Quartz epimorphs of Anhydrite from Silver Point Mine, Ouray County, Colorado

Quartz epimorphs of Anhydrite from Silver Point Mine, Ouray County, Colorado

Quartz epimorphs of Anhydrite from Silver Point Mine, Ouray County, Colorado

Quartz exhibiting rare faces from Montgomery County, Arkansas

Quartz floater from Shigar Valley, Skardu District, Baltistan, Gilgit-Baltistan, Pakistan

Quartz Geode from Warsaw, Hancock County, Illinois

Quartz Geode from Warsaw, Hancock County, Illinois

Quartz Geode from Las Choyas, Chihuahua, Mexico

Quartz geode from California

Quartz Geode (matched halves) from Rio Grande do Sul, Brazil

Quartz geode (reverse scepter formations) from Chihuahua, Mexico

Quartz geode coated with yellow-metallic highlights over purple dye (FAKE) from Man-made

Quartz geode lined with Galena (FAKE) from Man-made

Quartz geode lined with Galena (FAKE) from Man-made

Quartz geode lined with Galena (FAKE) from Man-made

Quartz Geode with Barite and Dolomite from Harrodsburg, Monroe County, Indiana

Quartz Geode with Calcite from Las Choyas, Chihuahua, Mexico

Quartz Geode with Calcite from Keokuk, Lee County, Iowa

Quartz Geode with Calcite from Iowa

Quartz Geode with Calcite from Las Choyas, Chihuahua, Mexico

Quartz Geode with Calcite from Las Choyas, Chihuahua, Mexico

Quartz Geode with Calcite from Brazil

Quartz Geode with Calcite from Keokuk, Lee County, Iowa

Quartz Geode with Calcite from Keokuk, Lee County, Iowa

Quartz Geode with Calcite from Monroe County, Indiana

Quartz Geode with Calcite from Las Choyas, Chihuahua, Mexico

Quartz Geode with Calcite from Kentucky

Quartz Geode with Calcite from Keokuk Geode District, near Hamilton, Hancock County, Illinois

Quartz Geode with Calcite from Las Choyas, Chihuahua, Mexico

Quartz Geode with Calcite from Las Choyas, Chihuahua, Mexico

Quartz Geode with Calcite from Las Choyas, Chihuahua, Mexico

Quartz Geode with Calcite and Sphalerite from Keokuk, Lee County, Iowa

Quartz Geode with Pyrite from Keokuk, Lee County, Iowa

Quartz in Anhydrite from Monte Rosso, Reggio Emilia, Italy

Quartz in Calcite from Eastern Rock Products Quarry (Benchmark Quarry), St. Johnsville, Montgomery County, New York

Quartz in Calcite from Eastern Rock Products Quarry (Benchmark Quarry), St. Johnsville, Montgomery County, New York

Quartz in Calcite from Seven Rivers, Eddy County, New Mexico

Quartz in Calcite from Greely, Ontario, Canada

Quartz in clay from Crystal Hill, Baylorsburg, Pennsylvania

Quartz in etched Spodumene from Tamminen Quarry, Greenwood, Oxford County, Maine

Quartz in Quartz from Ouachita Mountains, Montgomery County, Arkansas

Quartz in Rhyolite from Nevada

Quartz in Rhyolite from Nevada

Quartz in Siderite from Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut

Quartz included in Quartz from Hot Springs, Garland County, Arkansas

Quartz Japan Law-twinned from Washington Camp-Duquesne District, Santa Cruz County, Arizona

Quartz on Albite from Artur Mine, Jaguaracu, Minas Gerais, Brazil

Quartz on Albite from Montseny, Barcelona, Spain

Quartz on Albite var. Cleavelandite from White Queen Mine, Pala District, San Diego County, California

Quartz on Amethyst Quartz from (Erongo Region), Namibia

Quartz on Andradite Garnet from Washington Gulch dry wash, Washington Camp-Duquesne District, Santa Cruz County, Arizona

Quartz on Aragonite from Weifendorf, Germany

Quartz on Basalt from Lowell, Lane County, Oregon

Quartz on Bournonite with Chalcopyrite and Jamesonite-Boulangerite from Yaogangxian Mine, Nanling Mountains, Hunan, China

Quartz on Calcite from Eastern Rock Products Quarry (Benchmark Quarry), St. Johnsville, Montgomery County, New York

Quartz on Calcite from Hudson Railroad Cut Calcite Locality, Anthony's Nose, Cortlandt, Westchester County, New York

Quartz on Calcite from Hudson Railroad Cut Calcite Locality, Anthony's Nose, Cortlandt, Westchester County, New York

Quartz on Calcite from Hudson Railroad Cut Calcite Locality, Anthony's Nose, Cortlandt, Westchester County, New York

Quartz on Calcite from Hudson Railroad Cut Calcite Locality, Anthony's Nose, Cortlandt, Westchester County, New York

Quartz on Calcite from Hudson Railroad Cut Calcite Locality, Anthony's Nose, Cortlandt, Westchester County, New York

Quartz on Calcite with Pyrite and Goethite inclusions from Millington Quarry, Bernards Township, Somerset County, New Jersey

Quartz on Calcite-Aragonite from Goboboseb Mountains, 43 km west of Brandberg Mountain, Erongo region, Namibia

Quartz on Chalcopyrite from El Cobre, Concepción del Oro, Zacatecas, Mexico

Quartz on Chrysocolla from Inca de Oro, Atacama, Chile

Quartz on Chrysocolla from Ray Mine, Mineral Creek District, Pinal County, Arizona

Quartz on Chrysocolla from Morenci Mine, Clifton District, Greenlee County, Arizona

Quartz on Chrysocolla from Bagdad, Eureka District, Yavapai County, Arizona

Quartz on Cookeite from Bennett Quarry, Buckfield, Oxford County, Maine

Quartz on Cookeite from (Harvard Quarry?), West Paris, Oxford County, Maine

Quartz on Datolite from Upper New Street Quarry, Paterson, Passaic County, New Jersey

Quartz on Dolomite pseudomorphs after Calcite from Cavnic Mine (Kapnikbanya), Maramures, Romania

Quartz on Dolomite pseudomorphs after Calcite from Cavnic Mine (Kapnikbanya), Maramures, Romania

Quartz on Elbaite Tourmaline from Mount Mica, Pocket #28, Paris, Oxford County, Maine

Quartz on Elbaite Tourmaline from Mount Mica, Pocket #28, Paris, Oxford County, Maine

Quartz on Epidote from Calumet Mine, 12 km NNE of Salida, Chaffee County, Colorado

Quartz on Flint from Ohio

Quartz on Fluorite from Taolin Lead-Zinc Mine, Linxiang, Hunan Province, China

Quartz on Fluorite from Milltown Quarry, Ashover, Derbyshire, England

Quartz on Fluorite from Mex-Tex Mine, Hansonburg District, 8.5 km south of Bingham, Socorro County, New Mexico

Quartz on Fluorite from Blanchard Mine, Hansonburg District, 8.5 km south of Bingham, Socorro County, New Mexico

Quartz on Galena from Trepca, Serbia-Montenegro

Quartz on Galena with Siderite, Sphalerite, Tetrahedrite from Zletovo Mine, Kratovo-Zletovo District, Macedonia

Quartz on Hematite from Cleator Moor, West Cumberland Iron Mining District, Cumbria, England

Quartz on Hematite from Bristol, Gloucestershire, England

Quartz on Hematite from Max Tessmer Farm, Chub Lake, near Hailesboro, Gouverneur, St. Lawrence County, New York

Quartz on Hematite from Max Tessmer Farm, Chub Lake, near Hailesboro, Gouverneur, St. Lawrence County, New York

Quartz on Johannsenite from Iron Cap Mine, Graham County, Arizona

Quartz on Johannsenite from Iron Cap Mine, Graham County, Arizona

Quartz on Johannsenite with Manganbabingtonite from Iron Cap Mine, Aravaipa District, Graham County, Arizona

Quartz on Johannsenite with Manganbabingtonite from Iron Cap Mine, Aravaipa District, Graham County, Arizona

Quartz on Lepidolite from Bennett Quarry, Buckfield, Maine

Quartz on Lignite from Culebra Cut (Gaillard Cut), Panama Canal, 18 km northwest of Panama City, Panama

Quartz on Magnetite from Biggenden Mines, Queensland, Australia

Quartz on Marble from Carrara, Tuscany, Italy

Quartz on Microcline from Ardmore, Lower Merion Township, Montgomery County, Pennsylvania

Quartz on Microcline-Albite from Bennett Quarry, Buckfield, Oxford County, Maine

Quartz on Muscovite from Minas Gerais, Brazil

Quartz on Orthoclase var. Adularia from Arondu, Basha Valley, Baltistan, Gilgit-Baltistan, Pakistan

Quartz on Petrified Wood from Lake Jordan Area, Elmore County, Alabama

Quartz on Petrified Wood from Marion County, Alabama

Quartz on Prehnite from O and G Industries Southbury Quarry, Southbury, New Haven County, Connecticut

Quartz on Prehnite with Pumpellyite-(Mg) from O and G Industries Southbury Quarry, Southbury, New Haven County, Connecticut

Quartz on Prehnite with Pyrite from Millington Quarry, Bernards Township, Somerset County, New Jersey

Quartz on Pyrite from Clackamas River, Estacada, Oregon

Quartz on Pyrite from Huaron, Peru

Quartz on Pyrite from Casapalca District, Huarochiri Province, Peru

Quartz on Pyrite from Huaron District, Cerro de Pasco Province, Pasco Department, Peru

Quartz on Quartz from Santa Eulalia District, Aquiles Serdán, Chihuahua, Mexico

Quartz on Quartz from Hot Spring County, Arkansas

Quartz on Quartz from Jeffrey Quarry, near North Little Rock, Pulaski County, Arkansas

Quartz on Quartz from Sewage Treatment Plant Construction Site, Belchertown, Hampshire County, Massachusetts

Quartz on Quartz from Liliana Mine, Chihuahua, Mexico

Quartz on Quartz from Palermo No. 1 Mine, North Groton Pegmatite District, Grafton County, New Hampshire

Quartz on Quartz from Idarado Mine, Ouray District, San Miguel County, Colorado

Quartz on Quartz from Brookdale Mine, Phoenixville District, Chester County, Pennsylvania