Greenockite on Cassiterite with Quartz & Wavellite Siglo Veinte Mine, Llallagua, Rafael Bustillo Province, Potosí Department, Bolivia 2.35cm x 1.6cm x .65cm

Description/Interesting Notes: A rare, old time example of greenockite from Bolivia!!! This specimen was collected by Sam Gordon during the famed Vaux expeditions to Bolivia in 1929 on behalf of the Academy of Natural Sciences of Philadelphia!!! This specimen hosts a terrific showing of sharp, well-formed reddish submillimeter crystals of greenockite on a matrix of darkly colored cassiterite in association with a small amount of quartz and pale greenish wavellite!!! While the crystals are submillimeter in size, they are incredible examples of the species!!! Upon close examination with a loupe or scope, the crystals are simply amazing!!! The pics hardly do it justice!!! The pics hardly do it justice!!! Must be seen in person to be fully appreciated!!! Good luck and be sure to check out my other exciting mineral auctions on ebay!!!

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