| Name: | Johannite Jh |
| IMA Chemistry: | Cu(UO2)2(SO4)2(OH)2·8H2O |
| Chemistry Elements: | The mineral Johannite contains elements: Copper (Cu) Uranium (U) Oxygen (O) Sulfur (S) Hydrogen (H) |
| Country of Type Locality: | Czech Republic |
| Year First Published: | 1830 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Haidinger W (1830) On johannite, a new mineral species, The Edinburgh Journal of Science 3, 306-310 |
| Structural Group Name: | Johannite |
| Fleischer's Group Name: | |
| Crystal Systems: | triclinic |
| Oldest Known Age: | 1840 Million Years Ago |
| Mohs Hardness: | 2.25 |
| Diaphaneity: | 2.0 |
| More Info: | Search Wikipedia: Johannite (Wiki) Search Mindat: Johannite Search Web Mineral DB: Johannite |