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Calcite : CaCO3, Rhodochrosite : MnCO3 | |
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Manuelita Mine, Morococha District, Yauli Province, Junín Department, Peru A beautiful specimen of creamy spheres of calcite on a bed of soft pink rhodochrosites. 8.3cm X 7cm X 2.7cm |
| © photo by Geoff Krasnov | Photo ID: 176516 View Count: 103 |
Chalcopyrite : CuFeS2, Calcite : CaCO3 | |
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Morococha District, Yauli Province, Junín Department, Peru A 5mm crystal. Photographed by Karl Volkman. In the Collection of Donald Volkman. |
| © Don Volkman 02/06 | Photo ID: 49864 View Count: 295 |
Dolomite : CaMg(CO3)2 | |
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Morococha District, Yauli Province, Junín Department, Peru A 4.8 by 3.2 cms mass of white crystals on a matrix of black Sphalerite. JSS specimen and photo. |
| © JSS | Photo ID: 233989 View Count: 31 |
Enargite : Cu3AsS4, Quartz : SiO2, Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS | |
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San Francisco vein, Morococha District, Yauli Province, Junín Department, Peru Steel gray enargite crystals to 3mm, with quartz and occasional arsenopyrite. Photographed by, and in the collection of, Karl Volkman. |
| © Karl Volkman 10/07 | Photo ID: 131201 View Count: 194 |
Famatinite : Cu3SbS4, Tennantite : (Cu,Ag,Fe,Zn)12As4S13 | |
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Morococha District, Yauli Province, Junín Department, Peru Arsenian famatinite XX to 1 cm with minor small tennantite. SEM/EDS and XRD confirmed. |
| © Frank Keutsch | Photo ID: 43800 View Count: 514 |
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Santa Rita Mine, Morococha District, Yauli Province, Junín Department, Peru Crystals have rounded shapes but they are formed by stepped planes with the faces of the cube and the octahedron and they are very sharp and bright. Between the crystals of Galena some groups of transparent crystals of Quartz appear. Mina Santa Rita, 4300 m.↑, Morococha, Yauli, Junín, Peru Found in 2006 Specimen size: 12 x 7 x 5.5 ... |
| © fabreminerals.com | Photo ID: 71262 View Count: 222 |
Galena : PbS, Sphalerite : (Zn,Fe2+)S, Dolomite : CaMg(CO3)2 | |
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Manuelita Mine, Morococha District, Yauli Province, Junín Department, Peru Lead gray, partially skeletal Galena crystals with reddish Sphalerite and white rombohedral Dolomite. A classic association from this mine. 6,5x6,5 cm. In my personal peruan suite. Photo Simone Citon. |
| © Simone Citon | Photo ID: 236546 View Count: 30 |
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Morococha District, Yauli Province, Junín Department, Peru Group of hübnerite crystals on pyrite, not too common from this location. Hübnerite group has a diameter of 2.6 cm. See second image. |
| © Christian Bracke | Photo ID: 101745 View Count: 156 |
Opal (Var: Opal-AN) : SiO2·nH2O, Rhodochrosite : MnCO3, Quartz : SiO2 | |
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Santa Rita Mine, Morococha District, Yauli Province, Junín Department, Peru 14.3 x 9.5 x 8.5 cm. A dramatic and striking cabinet combination specimen of a "mountain" of snow-white, sparkly, sponge-like, etched hyalite opal on layered quartz and sulfide matrix coated with beautifully contrasting, lustrous, pink rhodochrosite crystals from the Santa Rita Mine of Peru. This is a very showy and highly unusual large ... |
| © Rob Lavinsky | Photo ID: 214888 View Count: 46 |
Pyrite : FeS2 | |
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Morococha District, Yauli Province, Junín Department, Peru This is an old pyrite specimen from the 70''s, with amazingly sharp, lustrous and beautifully-formed crystals! The largest measures 3.5 cm. The faces of the crystals have very fine striations which add to the beauty. ex Ruggiero collection 5.3 x 4.7 x 3.9cm |
| © Rob Lavinsky | Photo ID: 54483 View Count: 270 |
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