Name: | Powellite Pwl |
IMA Chemistry: | Ca(MoO4) |
Chemistry Elements: | The mineral Powellite contains elements: Calcium (Ca) Molybdenum (Mo) Oxygen (O) |
Country of Type Locality: | USA |
Year First Published: | 1891 |
IMA Status: | Approved,Grandfathered |
Status Notes: | Melville W H (1891) Powellite - calcium molybdate: A new mineral species, The American Journal of Science 141, 138-141 |
Structural Group Name: | Scheelite |
Fleischer's Group Name: | scheelite |
Crystal Systems: | tetragonal |
Oldest Known Age: | 3411 Million Years Ago |
Mohs Hardness: | 3.75 |
Diaphaneity: | 3.0 |
Specific Gravity: | 4.25 |
Dispersion: | 0.058 |
More Info: | Search Wikipedia: Powellite (Wiki) Search Mindat: Powellite Search Web Mineral DB: Powellite |