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Spinel (uncommon MT locale)
- Crazy Sphinx Mine, Helena, Lewis and Clark Co., Montana
- Thumbnail, 2.8 x 1.7 x 1.4 cm
- Start Time: 03/18/2010 6:30:00 pm (CDT)
- End Time: 03/25/2010 6:30:00 pm (CDT)
- Auction Closed
Item Description
Sharp, euhedral, lustrous, indigo-blue, spinel crystals to 1.4 cm jauntily perched on contrasting off-white matrix from the Crazy Sphinx Mine in Helena, Montana. This is a highly representative and uncommon specimen from this locality, even with some (minimal but present) periphery wear. Seldom on the market. Valued $200