| |
 |
Petalite Mineral Data
|
|
|
General Petalite Information
|
 Chemical Formula: |
LiAlSi4O10 |
| Composition: |
Molecular Weight = 305.15 gm |
| |
Lithium 2.09 % Li 4.50 % Li2O |
| |
Aluminum 8.75 % Al 16.54 % Al2O3 |
| |
Silicon 36.72 % Si 78.56 % SiO2 |
| |
Oxygen 52.43 % O |
| |
______ ______ |
| |
100.00 % 99.61 % = TOTAL OXIDE |
| Empirical Formula: |
Li0.92Al0.99Si3.99O10 |
| Environment: |
In granite pegmatites, locally constituting an ore of lithium. |
| IMA Status: |
Valid Species (Pre-IMA) 1800 |
| Locality: |
Mining Academy, Freiberg, Germany, Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek petalon - "leaf" in allusion to the perfect basal cleavage. |
| Name Pronunciation: |
Petalite  |
| Synonym: |
ICSD 100348 |
| |
PDF 35-463 |
| |