Elongated grain of rare niobium oxide with colored tourmalines and casting mica.
The grain of columbite is 4 mm in size.
Localities, Czech Republic, Pegmatites, Mineral Classification, Oxides, Silicates, Size, Medium
Columbite, verdelite, rubellite, lepidolite
$13.05
In stock
Location: Chvalovice; Czech Republic
Weight | 179 g |
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Dimensions | 50 × 54 × 78 mm |