| Name: | Grandidierite Gdd |
| IMA Chemistry: | MgAl3O2(BO3)(SiO4) |
| Chemistry Elements: | The mineral Grandidierite contains elements: Magnesium (Mg) Aluminum (Al) Oxygen (O) Boron (B) Silicon (Si) |
| Country of Type Locality: | Madagascar |
| Year First Published: | 1902 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Lacroix A (1902) Note préliminaire sur une nouvelle espèce minérale, Bulletin de la Société Française de Minéralogie 25, 85-86 |
| Structural Group Name: | |
| Fleischer's Group Name: | |
| Crystal Systems: | orthorhombic |
| Oldest Known Age: | 1018 Million Years Ago |
| Mohs Hardness: | 7.5 |
| Diaphaneity: | 2.0 |
| More Info: | Search Wikipedia: Grandidierite (Wiki) Search Mindat: Grandidierite Search Web Mineral DB: Grandidierite |