| |
 |
Bassanite Mineral Data
|
|
|
General Bassanite Information
|
 Chemical Formula: |
2CaSO4•(H2O) |
| Composition: |
Molecular Weight = 290.30 gm |
| |
Calcium 27.61 % Ca 38.63 % CaO |
| |
Hydrogen 0.69 % H 6.21 % H2O |
| |
Sulfur 22.09 % S 55.16 % SO3 |
| |
Oxygen 49.60 % O |
| |
______ ______ |
| |
100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
2(Ca)2(SO4)•(H2O) |
| Environment: |
In cavities in leucite-tephrite blocks, 1906 eruption. Dehydrates at 130 deg. C. Hydrates to gypsum in a humid atmosphere. |
| IMA Status: |
Valid Species (Pre-IMA) 1910 |
| Locality: |
Vesuvius, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Francesco Basani (185301916). Italian paleontologist, University of Naples, Italy. |
| Name Pronunciation: |
Bassanite + Pronunciation  |
| Synonym: |
Hemihydrate |
| |
Plaster of Paris |
| |