| Name: | Lawsonite Lws |
| IMA Chemistry: | CaAl2(Si2O7)(OH)2·H2O |
| Chemistry Elements: | The mineral Lawsonite contains elements: Calcium (Ca) Aluminum (Al) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | USA |
| Year First Published: | 1895 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Ransome F L (1895) On lawsonite a new rock-forming mineral from the Tiburon Peninsula, Marin County, California, Bulletin Of The Department Of Geology University Of California 1, University of California (Berkeley California) 301-313 |
| Structural Group Name: | Lawsonite |
| Fleischer's Group Name: | lawsonite |
| Crystal Systems: | orthorhombic|monoclinic |
| Oldest Known Age: | 2485 Million Years Ago |
| Mohs Hardness: | 7.5 |
| Diaphaneity: | 2.0 |
| Specific Gravity: | 3.085 |
| More Info: | Search Wikipedia: Lawsonite (Wiki) Search Mindat: Lawsonite Search Web Mineral DB: Lawsonite |