Dolomite var. Cobaltoan Dolomite with Duftite Tsumeb, Namibia 5.14cm x 2.9cm x 2.7cm Ex. Prosper J. Williams Ex. A. E. Seaman Mineral Museum #DM-14006

Description/Interesting Notes: A fantastic example of cobaltoan dolomite with duftite from Tsumeb!!! This specimen consists of a botryoidal group of well crystallized, deep green crystals of duftite that has been coated by two generations of cobaltoan dolomite!!! The outermost generation of cobaltoan dolomite is comprised of sparkling, lustrous crystals that have intense pink color!!! These bright pink cobaltoan dolomite crystals rest on a layer of very pale pink, smaller cobaltoan dolomite crystals that cover most of the underlying duftite crystals!!! In the areas where the duftite crystals can be seen, they are very well crystallized indeed!!! This specimen is from the A.E. Seaman Mineral Museum and retains an old label from Prosper Williams as well!!! 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!!! STAY TUNED!!! MORE AUCTIONS WILL BE ADDED MONDAY NIGHT FOR A SPECIAL 3-DAY AUCTION, ENDING THURSDAY OCTOBER 13th!!!

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