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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: 195 |
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 |
Ferberite : FeWO4, Quartz : SiO2 | |
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San Cristobal District, Yauli Province, Junín Department, Peru An excellent well crystallized cabinet sized example for this species from Peru! Lustrous heavily striated thin platy twinned black crystals of ferberite to 23 mm across are scattered nicely about a 15.5 x 11.5 x 6.8 cm matrix with crystallized quartz and minor pyrite. One crystal at the lower left end of the matrix is slightly chipped; there is ... |
| © Dan Weinrich | Photo ID: 133964 View Count: 119 |
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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 |
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San Cristobal District, Yauli Province, Junín Department, Peru 2.5 cm wide field of view. Cockscomb marcasite. Full specimen view also included. RFC C1456. |
| © Michael C. Roarke | Photo ID: 81743 View Count: 182 |
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