| Name: | Simpsonite Spn |
| IMA Chemistry: | Al4Ta3O13(OH) |
| Chemistry Elements: | The mineral Simpsonite contains elements: Aluminum (Al) Tantalum (Ta) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | Australia |
| Year First Published: | 1938 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Bowley H (1938) Simpsonite, Report of the Department of Mines Western Australia 93, 88-88 |
| Structural Group Name: | |
| Fleischer's Group Name: | |
| Crystal Systems: | hexagonal |
| Oldest Known Age: | 3033 Million Years Ago |
| Mohs Hardness: | 7.25 |
| Diaphaneity: | 3.0 |
| Specific Gravity: | 6.7 |
| More Info: | Search Wikipedia: Simpsonite (Wiki) Search Mindat: Simpsonite Search Web Mineral DB: Simpsonite |