Mineral Specimen and Product Inventory Search
SOLD
- Availability
- Sold
- Locality
- Etta mine, Pennington Co., South Dakota, United States
- Formula
- Fe2+Nb2O6
- Size
- 5.5 x 5.5 x 1.2 cm - Sm Cabinet
- Tagged
- pegmatite mineral
Thick tabular, heavily striated crystal of black Columbite. Faces on front and back, but not the sides.
SOLD
- Availability
- Sold
- Locality
- Etta mine, Pennington Co., South Dakota, United States
- Formula
- Fe2+Nb2O6
- Size
- 5 x 2.5 x 1.5 cm - Miniature
- Tagged
- pegmatite mineral
A partial section of a large Columbite crystal with characteristic striations. There are three crystal faces.
SOLD
- Availability
- Sold
- Locality
- Alto Ligonha dist., Zambezia prov., Mozambique
- Formula
- Fe2+Nb2O6
- Size
- 4.2 x 2 x 0.5 cm - Miniature
- Tagged
- pegmatite mineral
A single complete crystal, terminated with deep, typical, striations.
- Availability
- Available
- Price
- $30.00
- Locality
- Black Mountain pegmatite, Rumford, Oxford Co., Maine, United States
- Formula
- Fe2+Nb2O6
- Size
- 4 x 3.5 x 2 cm - Miniature
- Tagged
- pegmatite mineral
Bladed black crytals of Columbite in Albite.
