| Name: | Clarkeite Cke |
| IMA Chemistry: | Na(UO2)O(OH)·nH2O |
| Chemistry Elements: | The mineral Clarkeite contains elements: Sodium (Na) Uranium (U) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | USA |
| Year First Published: | 1931 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Ross C S, Henderson E P, Posnjak E (1931) Clarkeite; a new uranium mineral, American Mineralogist 16, 213-220 Chemical formula changed from Na_2_U_3_O_10_·3H_2_O: Gruner J W (1954) The chemical formula of clarkeite, American Mineralogist 39, 836-838 Chemical formula changed from Na_2_U_2_O_7_·nH_2_O: Frondel C, Meyrowitz R (1956) Studies of uranium minerals (XIX): rutherfordine, diderichite, and clarkeite, American Mineralogist 41, 127-133 Chemical formula changed from (Na,Ca,Pb,Th,H_2_O)_2_U_2_(O,H_2_O)_7_: Finch R J, Ewing R C (1997) Clarkeite: New chemical and structural data, American Mineralogist 82, 607-619 |
| Structural Group Name: | |
| Fleischer's Group Name: | |
| Crystal Systems: | hexagonal |
| Oldest Known Age: | 980 Million Years Ago |
| More Info: | Search Wikipedia: Clarkeite (Wiki) Search Mindat: Clarkeite Search Web Mineral DB: Clarkeite |