| |
 |
Jaffeite Mineral Data
|
|
|
General Jaffeite Information
|
 Chemical Formula: |
Ca4(Si3O7)(OH)6 |
| Composition: |
Molecular Weight = 458.61 gm |
| |
Calcium 34.96 % Ca 48.91 % CaO |
| |
Silicon 18.37 % Si 39.30 % SiO2 |
| |
Hydrogen 1.32 % H 11.78 % H2O |
| |
Oxygen 45.35 % O |
| |
______ ______ |
| |
100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca4(Si3O7)(OH)6 |
| Environment: |
Naturally occurring analog of "TSH" (Tricalcium Silicate Hydrate), a component of portland cement. |
| IMA Status: |
Approved IMA 1989 |
| Locality: |
Kombat mine, located 37 km east of Otavi and 49 km south of Tsumeb in the north-central part of Namibia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Howard Jaffe of the University of Massachusetts. |
| Name Pronunciation: |
Jaffeite  |
| Synonym: |
ICSD 39725 |
| |
PDF 46-1285 |
| |