| |
 |
Spinel Mineral Data
|
|
|
General Spinel Information
|
 Chemical Formula: |
MgAl2O4 |
| Composition: |
Molecular Weight = 142.27 gm |
| |
Magnesium 17.08 % Mg 28.33 % MgO |
| |
Aluminum 37.93 % Al 71.67 % Al2O3 |
| |
Oxygen 44.98 % O |
| |
______ ______ |
| |
100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
MgAl2O4 |
| Environment: |
Metamorphic mineral found in limestone and dolomite marbles and very-low silica and alkali igneous rocks (e.g. peridotites). |
| IMA Status: |
Valid Species (Pre-IMA) 1546 |
| Locality: |
Gem gravels of Sri Lanka and other notable locations. Link to MinDat.org Location Data. |
| Name Origin: |
Of uncertain origin, possibly derived from Latin, spina, for "thorn" in allusion to sharply-pointed crystals. |
| Name Pronunciation: |
Spinel  |
| Synonym: |
Balas ruby - Red |
| |
ICSD 79000 |
| |
PDF 21-1152 |
| |
Rubicelle |
| |
Ruby spinal |
| |