Object Record
Images
Metadata
Object Name |
Samarskite |
Object Description |
A large sample of black, massive, sub-metallic samarskite with silvery muscovite mica. ** RADIOACTIVE ** |
Rock type |
Mineral |
Chemical Comp |
YFeNb2 O8 |
Crystal System |
Orthorhombic |
Sp Grav. |
5 - 5.69 |
Hardness |
5 - 6 |
Luster |
Sub-metallic |
Streak |
Reddish-brown |
Fracture |
Conchoidal |
Radioactivity mR/hr |
0.30 |
Search Terms |
NORM Radioactive |
Dimensions |
H-4 W-6 L-9 cm |
Catalog Number |
7913 |