Columbite / Niobite
- Locale: Minas Gerais, Brazil
- Item #: b343
- Availability: In Stock
- Weight: 0.00 g
- L x W x H: 1.25 in x 1.00 in x 0.75 in
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$185.00
Well-formed, doubly-terminated Columbite / Niobite crystal, the main source for two of the rare earth elements, Niobium and Tantalum. In the past, Niobium was also called "Columbium."
DW