| Name: | Potassic-ferro-sadanagaite Pfsdg |
| IMA Chemistry: | KCa2(Fe2+3Al2)(Si5Al3)O22(OH)2 |
| Chemistry Elements: | The mineral Potassic-ferro-sadanagaite contains elements: Potassium (K) Calcium (Ca) Iron (Fe) Aluminum (Al) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | Japan |
| Year First Published: | 1984 |
| IMA Status: | Approved,Redefined |
| Status Notes: | Shimazaki H, Bunno M, Ozawa T (1984) Sadanagaite and magnesio-sadanagaite, new silica-poor members of calcic amphibole from Japan. American Mineralogist 69, 465-471 Name changed from potassic-aluminosadanagaite: 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 2 Ca |
| Crystal Systems: | |
| Oldest Known Age: | 541 Million Years Ago |
| More Info: | Search Wikipedia: Potassic-ferro-sadanagaite (Wiki) Search Mindat: Potassic-ferro-sadanagaite Search Web Mineral DB: Potassic-ferro-sadanagaite |