| Name: | Mountainite Mtn |
| IMA Chemistry: | KNa2Ca2[Si8O19(OH)]·6H2O |
| Chemistry Elements: | The mineral Mountainite contains elements: Potassium (K) Sodium (Na) Calcium (Ca) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | South Africa |
| Year First Published: | 1957 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Gard J A, Taylor H F W, Chalmers R A (1957) An investigation of two new minerals: rhodesite and mountainite, Mineralogical Magazine 31, 611-623 Chemical formula revised from (Ca,Na_2_,K_2_)_8_Si_16_O_40_·11H2O: Zubkova N V, Pekov I V, Pushcharovsky D Y, Chukanov N V (2009) The crystal structure and refined formula of mountainite, KNa2Ca2[Si8O19(OH)]·6H2O, Zeitschrift für Kristallographie 224, 389-396 |
| Structural Group Name: | |
| Fleischer's Group Name: | |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 370 Million Years Ago |
| More Info: | Search Wikipedia: Mountainite (Wiki) Search Mindat: Mountainite Search Web Mineral DB: Mountainite |