Bournonite pseudomorph after Tennantite with Quartz Mundo Nuevo Mine, Mundo Nuevo, Pasto Bueno District, Pallasca Province, Ancash Department, Peru 3.41cm x 2.78cm x 1.7cm

Description/Interesting Notes: A rare and unique example of bournonite after tennantite from Peru!!! This specimen consists of a sharp crystal of tennantite that has been replaced by complex bournonite crystals in association with a small amount of quartz!!! The crystal exhibits sharp pyramidal form with each face consisting of an intricate network of juxtaposed bournonite "cog-wheel" faces!!! The pics hardly do it justice!!! Simply a magnificent specimen indeed!!! 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 FEBRUARY 18TH!!! Please be sure to check our "About Me" page to see our "Tucson Blog" and exciting new specimens from the show!!!

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