Colusite West Colusa Mine, Berkeley Pit, Butte, Butte District, Silver Bow Co., Montana 5cm x 4.6cm x 2.8cm Ex. H. W. Allison Mineral Collection Ex. University of Delaware

Description/Interesting Notes: A terrific, old time example of colusite from the type locale!!! This specimen hosts a rich showing of silvery gray metallic colusite in a quartz matrix!!! The colusite is present both as massive material and subhedral crystals!!! Upon close inspection one can find a couple small, well defined crystals as well!!! This specimen is from the University of Delaware and the collection of H.W. Allison as well!!! Old material!!! 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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