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Acanthite : Ag2S | |
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Copiapó Province, Atacama Region, Chile Good miniature with small crystals, which combine the cube and octahedron, and have well-defined faces and edges. Actually it is very difficult to obtain samples from this classic locality. Copiapó, Atacama, Chile. Specimen size: 1.6 x 1.4 x 1.1 cm Main crystal size: 0.3 x 0.2 cm With handwritten label from the Folch Collection |
| © fabreminerals.com | Photo ID: 75380 View Count: 539 |
Acanthite : Ag2S | |
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Copiapó Province, Atacama Region, Chile Very aerial group of complex crystals, very rich with faces and considerably bright. Although on the label the only locality is Chile, we can presume, by its characteristics, it is from Copiapó area. Copiapó, Atacama, Chile Specimen size: 2.7 x 1.3 x 0.8 cm Main crystal size: 0.7 x 0.4 cm With handwritten label from the Folch ... |
| © fabreminerals.com | Photo ID: 101240 View Count: 383 |
Acanthite : Ag2S, Calcite : CaCO3 | |
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Chañarcillo, Copiapó Province, Atacama Region, Chile Acanthite crystals on calcite. At one time this specimen was in the collection of David Wilber. Scale at bottom of image is one inch with a rule at one cm. |
| Photo ID: 215985 View Count: 112 | |
Acanthite : Ag2S | |
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Chañarcillo, Copiapó Province, Atacama Region, Chile Acanthite. Specimen in the Karabacek collection at Harvard #93075. This long closed locality has produced many good acanthite specimens, but today they are rarely offered for sale. Scale at bottom of image is one inch with a rule at one cm. |
| Photo ID: 215983 View Count: 104 | |
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Chañarcillo, Copiapó Province, Atacama Region, Chile A group of fine mint green to emerald green Adamite (3 mm. across) laying on Goethite-Limonite. Not visible, there are also some Smithsonite rice-like xx and some Calchedony spheres. This sample shows two different Adamite colours, the mint green and on the other corner a colourless smooth wine. An old sample that has been mined many decades ago ... |
| © maurizio dini | Photo ID: 245227 View Count: 34 |
Adamite (Var: Cuprian Adamite) : (Zn,Cu)2AsO4OH, Austinite : CaZn[OH|AsO4] | |
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Veta Negra Mine, Pampa Larga district, Tierra Amarilla, Copiapó Province, Atacama Region, Chile Cuprian adamite xls on austinite. Field of view: 3 mm Photo and collection Antonio Borrelli |
| © Antonio Borrelli | Photo ID: 67622 View Count: 381 |
Alumopharmacosiderite : KAl4[(OH)4|(AsO4)3] · 6-7H2O, Mansfieldite : AlAsO4·2H2O | |
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Maria Catalina mine, Pampa Larga district, Tierra Amarilla, Copiapó Province, Atacama Region, Chile Width of field 0.5 mm. Collection and photo Jesse Crawford. Compositing software CombineZP. Equipment: Nikon D-100 digital camera on a homemade microscope. Cubes of alumopharmacosiderite on a matrix of mansfieldite. The rounded structures in the lower right corner are mansfieldite. |
| © 2008 Jesse Crawford | Photo ID: 204778 View Count: 100 |
Aragonite : CaCO3, Arseniosiderite : Ca2Fe3+3[O2|(AsO4)3] · 3H2O | |
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Veta Negra Mine, Pampa Larga district, Tierra Amarilla, Copiapó Province, Atacama Region, Chile 3 cm xls of Aragonite with Arseniosiderite on matriz; Veta Negra mine, Pampa Larga, Tierra Amarilla, Copiapo, Atacama region-Chile;field of view; 5x5-foto & coll by A.Molina |
| Photo ID: 104847 View Count: 228 | |
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Soledad mine, Copiapó Province, Atacama Region, Chile This specimen consists of intense blue balls of Arhbarite in association with bright lime green balls of Conichalcite on a matrix of tiny Quartz crystals. The blue and green colors of these minerals are very electric-bright on this piece. Specimen measures 2.14cm x 1.85cm x 1.5cm. |
| © Jasun McAvoy | Photo ID: 255480 View Count: 18 |
Arsenolamprite : As, Arsenic : As, Arsenolite : As2O3, Realgar : As4S4, Quartz : SiO2 | |
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Pampa Larga district, Tierra Amarilla, Copiapó Province, Atacama Region, Chile This 4x5 cm specimen contains the two allotropes of Arsenic. Mark Mauthner photo, RWMW collection |
| © RWMW | Photo ID: 10908 View Count: 799 |
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