Autunite Mining
Description
Autunite is a radioactive orthorhombic mineral which results from the hydrothermal alteration of uranium minerals. Used as a uranium ore, it was first discovered in France in 1852.
| Type | Crystal System |
| Mineral | Tetragonal, Orthorhombic |
| Mineral Classification | Color |
| Autunite | Yellow, greenish-yellow, pale green; dark green, greenish black |
| Chemical Formula | Luster |
| 2[Ca(UO2)2(PO4)2·10-12H2O] | Sub-vitreous, resinous, waxy, pearly |
| Streak | Fracture |
| Pale Yellow | Micaceous |
| Mohs Hardness | |
| 2-2.5 |
Uses
Of value to scientists and collectors.