| |
 |
Beryl Mineral Data
|
|
|
General Beryl Information
|
 Chemical Formula: |
Be3Al2Si6O18 |
| Composition: |
Molecular Weight = 537.50 gm |
| |
Beryllium 5.03 % Be 13.96 % BeO |
| |
Aluminum 10.04 % Al 18.97 % Al2O3 |
| |
Silicon 31.35 % Si 67.07 % SiO2 |
| |
Oxygen 53.58 % O |
| |
______ ______ |
| |
100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Be3Al2Si6O18 |
| Environment: |
Mainly granitic pegmatites. |
| IMA Status: |
Valid Species (Pre-IMA) Prehistoric |
| Locality: |
Pala pegmatite District, San Diego Co., California for morganite. Columbia for emeralds. Russia for heliodor. Link to MinDat.org Location Data. |
| Name Origin: |
From the ancient Greek, beryllos, signifying a "precious blue-green color of sea water" stone, but through later usage, applied only to beryl. |
| Name Pronunciation: |
Beryl  |
| Synonym: |
Aquamarine - Blue varitey |
| |
Emerald - green |
| |
Goshenite - colorless |
| |
Heliodor - yellow |
| |
ICSD 2791 |
| |
Morganite - pink |
| |
PDF 9-430 |
| |