| Name: | Stewartite Stw |
| IMA Chemistry: | Mn2+Fe3+2(PO4)2(OH)2ยท8H2O |
| Chemistry Elements: | The mineral Stewartite contains elements: Manganese (Mn) Iron (Fe) Phosphorus (P) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | USA |
| Year First Published: | 1912 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Schaller W T (1912) New manganese phosphates from the gem tourmaline field of Southern California, Journal of the Washington Academy of Sciences 2, 143-145 |
| Structural Group Name: | Stewartite |
| Fleischer's Group Name: | stewartite |
| Crystal Systems: | triclinic |
| Oldest Known Age: | 1702 Million Years Ago |
| More Info: | Search Wikipedia: Stewartite (Wiki) Search Mindat: Stewartite Search Web Mineral DB: Stewartite |