| Name: | Bannisterite Ban |
| IMA Chemistry: | (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8·nH2O |
| Chemistry Elements: | The mineral Bannisterite contains elements: Calcium (Ca) Potassium (K) Sodium (Na) Manganese (Mn) Iron (Fe) Silicon (Si) Aluminum (Al) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | United Kingdom |
| Year First Published: | 1967 |
| IMA Status: | Approved |
| Status Notes: | Smith M L, Frondel C (1968) The related layered minerals ganophyllite, bannisterite, and stilpnomelane, Mineralogical Magazine 36, 893-913 Chemical formula revised: Dunn P J, Leavens P B, Norberg J A, Ramik R A (1981) Bannisterite: new chemical data and empirical formulae, American Mineralogist 66, 1063-1067 |
| Structural Group Name: | Stilpnomelane, Clay |
| Fleischer's Group Name: | smectite |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 1861 Million Years Ago |
| More Info: | Search Wikipedia: Bannisterite (Wiki) Search Mindat: Bannisterite Search Web Mineral DB: Bannisterite |