| Name: | Andalusite And |
| Specimens in Collection: |  #456: Andalusite Brazil |
| IMA Chemistry: | Al2SiO5 |
| Chemistry Elements: | The mineral Andalusite contains elements: Aluminum (Al) Silicon (Si) Oxygen (O) |
| Country of Type Locality: | Spain |
| Year First Published: | 1798 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Delamétherie J C (1798) Sur une pierre de l'andalousie, Journal de Physique, de Chimie et d'Histoire Naturelle et des Arts 46, 386-387 |
| Structural Group Name: | Andalusite |
| Fleischer's Group Name: | andalusite |
| Crystal Systems: | orthorhombic |
| Oldest Known Age: | 4000 Million Years Ago |
| Mohs Hardness: | 7.0 |
| Diaphaneity: | 1.0 |
| Specific Gravity: | 3.585 |
| More Info: | Search Wikipedia: Andalusite (Wiki) Search Mindat: Andalusite Search Web Mineral DB: Andalusite |