| Name: | Proto-ferro-anthophyllite Pfath |
| IMA Chemistry: | [box]Fe2+2Fe2+5Si8O22(OH)2 |
| Chemistry Elements: | The mineral Proto-ferro-anthophyllite contains elements: Iron (Fe) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | USA |
| Year First Published: | 1986 |
| IMA Status: | Approved,Redefined |
| Status Notes: | Sueno S, Matsuura S, Gibbs G V, Boisen M B (1998) A crystal chemical study of protoanthophyllite: orthoamphiboles with the protoamphibole structure, Physics and Chemistry of Minerals 25, 366-377 Name changed from protoferro-anthophyllite: 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: | 66.8 Million Years Ago |
| More Info: | Search Wikipedia: Proto-ferro-anthophyllite (Wiki) Search Mindat: Proto-ferro-anthophyllite Search Web Mineral DB: Proto-ferro-anthophyllite |