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Ferrocolumbite ex Krauss coll.
- Governador Valadares, Minas Gerais, Brazil
- Miniature, 3.4 x 2.2 x 1.8 cm
- Start Time: 04/04/2011 6:45:00 pm (CDT)
- End Time: 04/14/2011 6:30:00 pm (CDT)
- Auction Closed
Item Description
A very fine, complete all-around, lustrous, blocky, black, ferrocolumbite crystal from an old locale in Minas Gerais, Brazil. The crystal has textbook orthorhombic form and a sharp termination. A trivial bit of edgwear is noted lower on one side. A highly representative example of this uncommon niobium species which is rarely seen from Brazil. Old specimen, ex Larry Krauss collection