| Name: | Jennite Jnn |
| IMA Chemistry: | Ca9(Si3O9)2(OH)6·8H2O |
| Chemistry Elements: | The mineral Jennite contains elements: Calcium (Ca) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | USA |
| Year First Published: | 1965 |
| IMA Status: | Approved |
| Status Notes: | Carpenter A B, Chalmers R A, Gard J A, Speakman K, Taylor H F W (1966) Jennite, a new mineral, American Mineralogist 51, 56-74 Chemical formula changed from Na_2_Ca_8_Si_5_O_30_H_22_: Gard J A, Taylor H F W, Cliff G, Lorimer G W (1977) A reexamination of jennite. American Mineralogist 62, 365-368 Chemical formula changed from Ca_9_Si_6_O_16_(OH)_10_·6H_2_O: Bonaccorsi E, Merlino S, Taylor H F W (2004) The crystal structure of jennite, Ca_9_Si_6_O_18_(OH)_6_·8H_2_O. Cement and Concrete Research 34, 1481-1488 |
| Structural Group Name: | |
| Fleischer's Group Name: | |
| Crystal Systems: | triclinic |
| Oldest Known Age: | 1054 Million Years Ago |
| Mohs Hardness: | 3.5 |
| Diaphaneity: | 2.0 |
| More Info: | Search Wikipedia: Jennite (Wiki) Search Mindat: Jennite Search Web Mineral DB: Jennite |