| Name: | Gedrite Ged |
| Specimens in Collection: |  #464: Nuumite ( Gedrite / Anthophyllite ) Greenland |
| IMA Chemistry: | [box]Mg2(Mg3Al2)(Si6Al2)O22(OH)2 |
| Chemistry Elements: | The mineral Gedrite contains elements: Magnesium (Mg) Aluminum (Al) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | France |
| Year First Published: | 1836 |
| IMA Status: | Approved,Redefined |
| Status Notes: | Dufrénoy A (1836) Description de la gédrite, nouvelle espèce minérale, Annales des Mines 10, 582-584 |
| Structural Group Name: | Amphibole |
| Fleischer's Group Name: | amphibole-group 1 Mg-Fe-Mn-Li |
| Crystal Systems: | orthorhombic |
| Oldest Known Age: | 4000 Million Years Ago |
| Mohs Hardness: | 5.75 |
| Diaphaneity: | 2.0 |
| Specific Gravity: | 3.255 |
| More Info: | Search Wikipedia: Gedrite (Wiki) Search Mindat: Gedrite Search Web Mineral DB: Gedrite |