| Name: | Olmiite Olm |
| Specimens in Collection: |  #603: Olmiite Kalahari Manganese Field, South Africa  #14: Olmiite / Bultfonteinite South Africa  #1205: Olmiite / Bultfonteinite N'Chwanning II Mine, Kuruman, South Africa |
| IMA Chemistry: | CaMn[SiO3(OH)](OH) |
| Chemistry Elements: | The mineral Olmiite contains elements: Calcium (Ca) Manganese (Mn) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | South Africa |
| Year First Published: | 2006 |
| IMA Status: | Approved |
| Status Notes: | Bonazzi P, Bindi L, Medenbach O, Pagano R, Lampronti G I, Menchetti S (2007) Olmiite, CaMn[SiO_3_(OH)](OH), the Mn-dominant analogue of poldervaartite, a new mineral species from Kalahari manganese fields (Republic of South Africa), Mineralogical Magazine 71, 193-201 |
| Structural Group Name: | |
| Fleischer's Group Name: | |
| Crystal Systems: | orthorhombic |
| Oldest Known Age: | 2400 Million Years Ago |
| More Info: | Search Wikipedia: Olmiite (Wiki) Search Mindat: Olmiite Search Web Mineral DB: Olmiite |