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Columbite
specimen number:
1071303
location:
Etta Mine, Keystone, Pennington Co., South Dakota, USA
description:
Loose crude single crystal of semi-lustrous columbite measuring 2.5 cm on a diagonal, 2.0 x 2.0 x 0.8 cm in size. Shipping weight: 0.04 pounds.
Size: 2.0 x 2.0 x 0.8 cm (thumbnail)
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