| Name: | Eucryptite Ecp |
| IMA Chemistry: | LiAlSiO4 |
| Chemistry Elements: | The mineral Eucryptite contains elements: Lithium (Li) Aluminum (Al) Silicon (Si) Oxygen (O) |
| Country of Type Locality: | USA |
| Year First Published: | 1880 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Brush G J, Dana E S (1880) On the mineral locality at Branchville, Connecticut: Fourth paper, American Journal of Science 120, 258-285 |
| Structural Group Name: | Phenakite |
| Fleischer's Group Name: | willemite |
| Crystal Systems: | hexagonal |
| Oldest Known Age: | 2651 Million Years Ago |
| Mohs Hardness: | 6.5 |
| Diaphaneity: | 2.0 |
| More Info: | Search Wikipedia: Eucryptite (Wiki) Search Mindat: Eucryptite Search Web Mineral DB: Eucryptite |