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Summary

Description
English: Bournonite

From Viboras Mine, Machacamarca, Machacamarca District, Cornelio Saavedra Province, Potosí Department, Bolivia Dimensions: 95 mm x 74 mm x 46 mm Largest Crystal Size: 29 mm Weight: 335 g

Specimen with about a dozen sharp and lustrous, well defined, gunmetal color bournonite crystals, showing the classic stepped habit of the species, accompanied by a number of pyrite microcrystals scattered on the matrix. Overall size: 95 mm x 74 mm x 46 mm. Widest crystal: 29 mm; thickest crystal: 12 mm. Weight: 335 g. Undamaged. From a new pocket found in September 2012.
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Author CarlesMillan

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Captions

Specimen with sharp and lustrous, well defined, gunmetal color bournonite crystals, with a number of pyrite microcrystals

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15 June 2013

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current12:19, 8 June 2015Thumbnail for version as of 12:19, 8 June 20153,116 × 2,893 (1.38 MB)CarlesMillanUser created page with UploadWizard

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