Columbite / Niobite
- Locale: Minas Gerais, Brazil. 2
- Item #: 5827
- Availability: In Stock
- Weight: 240.00 g
- L x W x H: 2.00 in x 2.00 in x 1.25 in
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$395.00
Very sharp Columbite / Niobite crystal, a rare earth oxide mined for Columbium and Tantalum. Excellent specimen, well formed. Very rare.