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Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru 3.75 inches. Purchased 2008. |
| © J.N.Wingard | Photo ID: 158777 View Count: 83 |
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Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru 8.4 x 5.3 x 1.9 cm. A very rare and fine azurite specimen from Cerro de Pasco, Peru. Sparkly, electric-blue azurite microcrystals are richly invested on both sides of the sculptural, triangular, layered gossan matrix. The crystals on one side have incredible sparkle for azurite. The side view of the plate shows layers and pods of malachite within ... |
| © Rob Lavinsky | Photo ID: 238929 View Count: 17 |
Baryte : BaSO4, Galena : PbS, Pyrite : FeS2 | |
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Huaron Mining District, San Jose de Huayllay District, Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru 5.8 x 4.8 x 4.4 cm. A stunningly pretty specimen of translucent, bladed baryte crystals framing a field of shockingly lustrous, wonderfully hoppered crystals of galena. The galenas and barytes sit on a base of golden pyrite, which adds a pretty color accent around the edges. |
| © Rob Lavinsky | Photo ID: 203072 View Count: 50 |
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Huaron Mining District, San Jose de Huayllay District, Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru 6 x 3.5 x 2.4 cm. A fine specimen comprised of a Bornite-coated Chalcopyrite crystal nestled in a bed of clear Quartz crystals and superb lustrous Pyrite crystals. The Bornite-coated crystal is up to 1.5 cm across. Ex. Charlie Key. |
| © Rob Lavinsky | Photo ID: 180793 View Count: 112 |
Bournonite : PbCuSbS3, Pyrite : FeS2, Calcite : CaCO3 | |
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Huaron Mining District, San Jose de Huayllay District, Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru Steel-grey and typical gearing-like and tabular crystals or twins of Bournonite, up to 8 mm long, with Pyrite and Calcite. |
| © Peter Kohorst | Photo ID: 55077 View Count: 333 |
Bournonite : PbCuSbS3 | |
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Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru Prismatic xls up to 15 mm. |
| © Cristian B. | Photo ID: 64164 View Count: 247 |
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Huaron Mining District, San Jose de Huayllay District, Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru Bournonite cogwheels with brilliant, untarnished metallic luster amid milky quartz. Field of view 2 cm. Overall specimen 4.3 x 3.0 x 2.8 cm. RFC M1491. |
| © Michael C. Roarke | Photo ID: 83811 View Count: 169 |
Bournonite : PbCuSbS3 | |
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Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru Width of field is 5 mm. Collection of Jesse Crawford. The depth of field is enhanced using Helicon Focus. Equipment: Nikon D-100 on a homemade microscope. Bournonite is noted for forming these "coffin shaped" crystals. |
| © 2008 Jesse Crawford | Photo ID: 172587 View Count: 68 |
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Milpo Mine, Atacocha District, Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru 8.4 x 6.7 x 5.0 cm. Lightly iridescent, splendent metallic-gray bournonite crystals to 1.5 cm are richly scattered amongst milky quartz crystals on this fine and uncommon specimen from the Milpo Mine of Peru. Many of the bournonites have the classic and textbook "cogwheel" crystal form. The 3-dimensional matrix is massive sulfides on this fine ... |
| © Rob Lavinsky | Photo ID: 238889 View Count: 24 |
Bournonite-Seligmannite Series | |
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Huaron Mines, Huaron Mining District, San Jose de Huayllay District, Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru Brilliant crystals of seligmannite-bournonite showing twinned habit. These two minerals form a series and both mineral species are likely present throughout the specimen. Minor pyrite and calcite. Ex. Dr. E. Sensel collection #M565. Overall size of mineral specimen: 23x18x16 mm. Size of individual crystals: 1-9 mm. |
| © 2003 John H. Betts | Photo ID: 11035 View Count: 563 |
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