| Name: | Ferro-actinolite Fact |
| IMA Chemistry: | [box]Ca2(Mg2.5-0.0Fe2+2.5-5.0)Si8O22(OH)2 |
| Chemistry Elements: | The mineral Ferro-actinolite contains elements: Calcium (Ca) Magnesium (Mg) Iron (Fe) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | unknown |
| Year First Published: | 1946 |
| IMA Status: | Approved,Redefined |
| Status Notes: | Sundius N (1946) The classification of the hornblendes and the solid solution relations in the amphibole group, Sveriges Geologiska Undersökning 40, 1-36 Redefined by the IMA nomenclature commission: 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 |
| Structural Group Name: | Amphibole |
| Fleischer's Group Name: | amphibole-group 2 Ca |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 2920 Million Years Ago |
| More Info: | Search Wikipedia: Ferro-actinolite (Wiki) Search Mindat: Ferro-actinolite Search Web Mineral DB: Ferro-actinolite |