Argentiferous Tetrahedrite (Stylotypite) pseudomorph after Bournonite Machacamarca Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosí Department, Bolivia 2.3cm x 1.6cm x 1.26cm

Description/Interesting Notes: A rare example of "stylotypite" from Bolivia!!! This specimen consists of a bournonite crystal that has been completely replaced by silver-bearing tetrahedrite!!! The crystal is complete and prominently perched on a small amount of matrix!!! The pics hardly do it justice!!! Good luck and be sure to check out my other exciting mineral auctions on ebay!!! STAY TUNED!!! MORE AUCTIONS WILL BE ADDED MONDAY NIGHT FOR A SPECIAL 3-DAY AUCTION, ENDING THURSDAY JUNE 17th!!!

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