Minerals from Brazil & South America

Quartz (Japan Law-twinned) from Pampa Blanca District, Castrovirreyna Province, Huancavelica, Peru

Quartz (Japan Law-twinned) from Pasto Bueno District, Pallasca Province, Ancash Department, Peru

Quartz (Japan Law-twinned) from Mina Mundo Nuevo, Huamachuco, La Libertad, Peru

Quartz (Japan Law-twinned) from Mina Mundo Nuevo, Huamachuco, La Libertad, Peru

Quartz (Japan Law-twinned) from Flor de Peru II (Rosario Mabel) claim, near Pampa Blanca, Castrovirryna Province, Peru

Quartz (Japan Law-twinned) from Castrovirreyna District, Huancavelica Department, Peru

Quartz (Japan Law-twinned) with Magnesite from Brumado District, Serra das Éguas, Bahia, Brazil

Quartz (Japan Law-twinned) with Pyrite from Mina Mundo Nuevo, Huamachuco, La Libertad, Peru

Quartz (optical-grade) with many rare crystal faces from Peña Blanca Mine, San Pablo de Borbur, Vasquez-Yacopi Mining District, Boyacá Department, Colombia

Quartz (optical-grade) with rare crystal faces from Peña Blanca Mine, San Pablo de Borbur, Vasquez-Yacopi Mining District, Boyacá Department, Colombia

Quartz (optical-grade) with rare crystal faces from Peña Blanca Mine, San Pablo de Borbur, Vasquez-Yacopi Mining District, Boyacá Department, Colombia

Quartz (optical-grade) with rare crystal faces from Peña Blanca Mine, San Pablo de Borbur, Vasquez-Yacopi Mining District, Boyacá Department, Colombia

Quartz (optical-grade) with rare crystal faces from Peña Blanca Mine, San Pablo de Borbur, Vasquez-Yacopi Mining District, Boyacá Department, Colombia

Quartz (optical-grade) with rare crystal faces from Peña Blanca Mine, San Pablo de Borbur, Vasquez-Yacopi Mining District, Boyacá Department, Colombia

Quartz (parallel black stalactitic formations) from Catalan Agate-Amethyst District, Southern Paraná Basalt Basin, Artigas, Uruguay

Quartz (Scepter-shaped formation) from Pedra Alta, Goiabeira, Minas Gerais, Brazil

Quartz (scepter-shaped formations) with Elbaite Tourmaline from Barra do Salinas, Coronel Murta, Minas Gerais, Brazil

Quartz (stalactitic formation) from Rio Grande do Sul, Brazil

Quartz (stalactitic) with Goethite from Catalan Agate-Amethyst District, Southern Paraná Basalt Basin, Artigas, Uruguay

Quartz (tabular habit) from Macao Mine, São Geraldo do Baixio, Minas Gerais, Brazil

Quartz (with large S-face) from Corinto, Minas Gerais, Brazil

Quartz and Chalcopyrite from Huaron District, Cerro de Pasco Province, Pasco Department, Peru

Quartz and Chalcopyrite on Sphalerite from Huaron District, Cerro de Pasco Province, Pasco Department, Peru

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

Quartz and Sphalerite from Animon Mine, Huaron District, Pasco Department, Peru

Quartz Concretion from Governador Valadares, Minas Gerais, Brazil

Quartz Concretion from Governador Valadares, Minas Gerais, Brazil

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

Quartz Geode with Calcite from Brazil

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

Quartz on Chrysocolla from Inca de Oro, Atacama, Chile

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

Quartz on Muscovite from Minas Gerais, Brazil

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 Rubellite Tourmaline from Cruzeiro Mine, Minas Gerais, Brazil

Quartz on Sphalerite from Peru

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

Quartz on Sphalerite from Alimon Mine, Huaron District, Pasco Department, Peru

Quartz on Sphalerite with Calcite from Huaron District, Cerro de Pasco Province, Pasco Department, Peru

Quartz over Calcite on Amethyst Quartz from Alto Uruguai, Rio Grande do Sul, Brazil

Quartz over Chrysocolla from Inca de Oro, Atacama, Chile

Quartz over Chrysocolla from Manto Tres Gracias Mine, Diego de Almagro, Chile

Quartz over Quartz with Hematite inclusion and Magnesite from Brumado District, Serra das Éguas, Bahia, Brazil

Quartz over Rhodochrosite from Pasto Bueno District, Pallasca Province, Ancash Department, Peru

Quartz over Rhodochrosite on Sphalerite from Huanzala Mine, Huallanca District, Huanuco Department, Peru

Quartz over Sphalerite from Huaron District, Cerro de Pasco Province, Pasco Department, Peru

Quartz pseudomorph after Calcite or Anhydrite from Castelinho Mine, near Frederico Westphalen, Alto Uruguai, Rio Grande do Sul, Brazil

Quartz pseudomorphs after Anhydrite from Castelinho, Rio Grande do Sul, Brazil

Quartz pseudomorphs after Anhydrite from Castelinho, Rio Grande do Sul, Brazil

Quartz pseudomorphs after Anhydrite from Mina Danielo, São Gabriel, Rio Grande do Sul, Brazil

Quartz pseudomorphs after Anhydrite from Mina Danielo, São Gabriel, Rio Grande do Sul, Brazil

Quartz pseudomorphs after Anhydrite from Mina Danielo, São Gabriel, Rio Grande do Sul, Brazil

Quartz pseudomorphs after Anhydrite on Amethyst from Ametista do Sul, Alto Uruguai, Rio Grande do Sul, Brazil

Quartz pseudomorphs after Anhydrite on Quartz from Irai, Rio Grande do Sul, Brazil

Quartz pseudomorphs after Anhydrite with Quartz and Celadonite from Irai, Rio Grande do Sul, Brazil

Quartz pseudomorphs after Aragonite from Chubut, Argentina

Quartz pseudomorphs after Barite from Casapalca District, Huarochiri Province, Peru

Quartz pseudomorphs after Talc from Brumado District, Serra das Éguas, Bahia, Brazil

Quartz Scepter from Serra Negro, Minas Gerais, Brazil

Quartz Scepter from Serra Negro, Minas Gerais, Brazil

Quartz Scepter from Serra Negro, Minas Gerais, Brazil

Quartz Scepter from Serra Negro, Minas Gerais, Brazil

Quartz Scepter from Minas Gerais, Brazil

Quartz scepter-shaped formation from Tafelkop, Goboboseb Mountains, 27 km west of Brandberg Mountain, Erongo region, Namibia

Quartz Stalactite from Minas Gerais, Brazil

Quartz stalactitic formations from Alto Uruguai, Rio Grande do Sul, Brazil

Quartz var. Agate from Rio Grande do Sul, Brazil

Quartz var. Agate from Rio Grande do Sul, Brazil

Quartz var. Agate from Rio Grande do Sul, Brazil

Quartz var. Agate from Rio Grande do Sul, Brazil

Quartz var. Agate from Rio Grande do Sul, Brazil

Quartz var. Agate from Rio Grande do Sul, Brazil

Quartz var. Agate from Rio Grande do Sul, Brazil

Quartz var. Agate from Rio Grande do Sul, Brazil

Quartz var. Agate from Rio Grande do Sul, Brazil

Quartz var. Agate from Rio Grande do Sul, Brazil

Quartz var. Agate (polished slice of an agate nodule) from Rio Grande do Sul, Brazil

Quartz var. Agate (polished slice of an agate nodule) from Rio Grande do Sul, Brazil

Quartz var. Agate (polished slice of an agate nodule) from Rio Grande do Sul, Brazil

Quartz var. Agate (polished slice of an agate nodule) from Rio Grande do Sul, Brazil

Quartz var. Agate (polished slice of an agate nodule) from Rio Grande do Sul, Brazil

Quartz var. Agate (polished slice of an agate nodule) from Rio Grande do Sul, Brazil

Quartz var. Agate (polished slice of an agate nodule) from Rio Grande do Sul, Brazil

Quartz var. Agate (samples of dyed colors) from Rio Grande do Sul, Brazil

Quartz var. Agate (section of stalactite) from Minas Gerais, Brazil

Quartz var. Agate (section of stalactite) from Minas Gerais, Brazil

Quartz var. Agate (section of stalactite) from Minas Gerais, Brazil

Quartz var. Agate Carving from Rio Grande do Sul, Brazil

Quartz var. Agate Geode from Rio Grande do Sul, Brazil

Quartz var. Agate Geode from Rio Grande do Sul, Brazil

Quartz var. Agate Geode from Rio Grande do Sul, Brazil

Quartz var. Agate Geode from Rio Grande do Sul, Brazil

Quartz var. Agate Geode from Rio Grande do Sul, Brazil

Quartz var. Agate Geode slab from Rio Grande do Sul, Brazil

Quartz var. Agate Geode with Quartz crystal lining from Minas Gerais, Brazil

Quartz var. Agate Slab from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Alto Uruguai, Rio Grande do Sul, Brazil

Quartz var. Amethyst from Alto Uruguai, Rio Grande do Sul, Brazil

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Anahi Mine, La Gaiba District, Angel Sandoval Province, Santa Cruz Department, Bolivia

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Planalto, Rio Grande do Sul, Brazil

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Manuelita Mine, Morococha District, Junin Province, Peru

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Anahi Mine, La Gaiba District, Angel Sandoval Province, Santa Cruz Department, Bolivia

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Planalto, Rio Grande do Sul, Brazil

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Irai, Santa Catarina, Rio Grande do Sul, Brazil

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Rio Grande do Sul, Brazil

Quartz var. Amethyst from Baixo Guandu, Espírito Santo, Brazil

Quartz var. Amethyst from Catalan Agate-Amethyst District, Souther Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Irai, Rio Grande do Sul, Brazil

Quartz var. Amethyst from Catalan Agate-Amethyst District, Southern Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Castelinho Mine, near Frederico Westphalen, Alto Uruguai, Rio Grande do Sul, Brazil

Quartz var. Amethyst from Catalan Agate-Amethyst District, Southern Paraná Basalt Basin, Artigas, Uruguay

Quartz var. Amethyst from Catalan Agate-Amethyst District, Southern Paraná Basalt Basin, Artigas, Uruguay