| Name: | Ferro-gedrite Fged |
| IMA Chemistry: | [box]Fe2+2(Fe2+3Al2)(Si6Al2)O22(OH)2 |
| Chemistry Elements: | The mineral Ferro-gedrite contains elements: Iron (Fe) Aluminum (Al) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | France |
| Year First Published: | 1939 |
| IMA Status: | Approved,Redefined |
| Status Notes: | Tilley C E (1939) Kyanite-gedrite parageneses, Geological Magazine 76, 326-330 Renamed by IMA nomenclature commission: Leake B E (1978) Nomenclature of amphiboles, American Mineralogist 63, 1023-1052 Redefined: Leake B E, Woolley A R, Arps C E S, Birch W D, Gilbert M C, Grice J D, Hawthorne F C, Kato A, Kisch H J, Krivovichev V G, Linthout K, Laird J, Mandarino J A, Maresch W V, Nickel E H, Rock N M S, Schumacher J C, Smith D C, Stephenson N C N, Ungaretti L, Whittaker E J W, Youzhi G (1997) Nomenclature of amphiboles: Report of the subcommittee on amphiboles of the International Mineralogical Association, commission on new minerals and mineral names, The Canadian Mineralogist 35, 219-246 Name changed from ferrogedrite: Hawthorne F C, Oberti R, Harlow G E, Maresch W V, Martin R F, Schumacher J C, Welch M D (2012) Nomenclature of the amphibole supergroup. American Mineralogist 97, 2031-2048 |
| Structural Group Name: | Amphibole |
| Fleischer's Group Name: | amphibole-group 1 Mg-Fe-Mn-Li |
| Crystal Systems: | orthorhombic |
| Oldest Known Age: | 1906 Million Years Ago |
| More Info: | Search Wikipedia: Ferro-gedrite (Wiki) Search Mindat: Ferro-gedrite Search Web Mineral DB: Ferro-gedrite |