| Name: | Geigerite Ggr |
| IMA Chemistry: | Mn2+5(AsO4)2(AsO3OH)2ยท10H2O |
| Chemistry Elements: | The mineral Geigerite contains elements: Manganese (Mn) Arsenic (As) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | Switzerland |
| Year First Published: | 1985 |
| IMA Status: | Approved |
| Status Notes: | Graeser S, Schwander H, Bianchi R, Pilati T, Gramaccioli C M (1989) Geigerite, the Mn analogue of chudobaite: Its description and crystal structure, American Mineralogist 74, 676-684 |
| Structural Group Name: | Lindackerite |
| Fleischer's Group Name: | lindackerite |
| Crystal Systems: | triclinic |
| Oldest Known Age: | 65 Million Years Ago |
| Mohs Hardness: | 3.0 |
| Diaphaneity: | 2.0 |
| Specific Gravity: | 3.05 |
| More Info: | Search Wikipedia: Geigerite (Wiki) Search Mindat: Geigerite Search Web Mineral DB: Geigerite |