Columbite Bob Ingersoll Mine, Keystone, Keystone District, Pennington Co., South Dakota, 2.2" x 2" x .84" 5.6cm x 5.2cm x 2.1cm Ex. Roy Hopping (label) circa 1896-1903

Description/Interesting Notes: A large and impressive columbite crystal from South Dakota!!! This hefty specimen has great luster and razor sharp striations!!! This specimen retains an old Roy Hopping label that dates to somewhere between 1896 and 1903!!! Roy Hopping was a well-known turn of the century mineral collector, dealer, and scholar!!! Good luck and be sure to check out my other exciting mineral auctions on ebay!!! STAY TUNED!!! MORE AUCTIONS WILL BE ADDED SATURDAY NIGHT FOR A SPECIAL 5-DAY AUCTION, ENDING THURSDAY JULY 3rd!!!

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