Object Record
Images
Metadata
Object Name |
Columbite |
Date |
1929 |
Object Description |
Two samples of massive, black columbite with iron-stained quartz veining and silvery muscovite mica present. ** RADIOACTIVE ** |
Collector |
Gaines, H. H. |
Place of Origin |
North Carolina/Mitchell County |
Site Name |
Wiseman Mine |
Rock type |
Mineral |
Chemical Comp |
(Fe, Mn)(Nb)2 O6 |
Crystal System |
Orthorhombic |
Sp Grav. |
5.43 |
Hardness |
6 |
Luster |
Sub-metallic |
Streak |
Black to Dark Brown |
Fracture |
Irregular |
Radioactivity mR/hr |
0.20 |
People |
Gaines, H. H. |
Search Terms |
NORM Radioactive |
Dimensions |
H-3.5 W-2 L-4 cm |
Catalog Number |
7915 |