| Name: | Ganophyllite Gnp |
| IMA Chemistry: | (K,Na)xMn2+6(Si,Al)10O24(OH)4·nH2O (x = 1-2; n = 7-11) |
| Chemistry Elements: | The mineral Ganophyllite contains elements: Potassium (K) Sodium (Na) Manganese (Mn) Silicon (Si) Aluminum (Al) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | Sweden |
| Year First Published: | 1890 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Hamberg A (1890) Ueber Ganophyllit, ein Manganzeolith, von Harstigen. Geologiska Föreningens i Stockholm Förhandlingar 12, 586-598. Chemical formula revised, based on its isomorphism with tamaite: Hughes J M, Rakovan J, Bracco R, Gunter M E (2003) The atomic arrangement of the ganophyllite-group modulated layer silicates as determined from the orthorhombic dimorph of tamaite, with the elusive 16.8 Å ganophyllite-group superstructure revealed, American Mineralogist 88, 1324-1330 |
| Structural Group Name: | Clay |
| Fleischer's Group Name: | ganophyllite |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 1898 Million Years Ago |
| More Info: | Search Wikipedia: Ganophyllite (Wiki) Search Mindat: Ganophyllite Search Web Mineral DB: Ganophyllite |