| |
 |
Sphaerobertrandite Mineral Data
|
|
|
General Sphaerobertrandite Information
|
 Chemical Formula: |
Be3SiO4(OH)2 |
| Composition: |
Molecular Weight = 152.62 gm |
| |
Beryllium 17.07 % Be 47.36 % BeO |
| |
Silicon 18.59 % Si 39.76 % SiO2 |
| |
Hydrogen 1.45 % H 12.93 % H2O |
| |
Oxygen 62.90 % O |
| |
______ ______ |
| |
100.00 % 100.05 % = TOTAL OXIDE |
| Empirical Formula: |
Be2.89Si1.01O3.81(OH)2.19 |
| Environment: |
Found in Be-bearing pegmatites and greisens. Originally named in 1957 and revalidated in 2003. |
| IMA Status: |
Valid Species (Pre-IMA) 1957 (Dana # Added) |
| Locality: |
Mannepakhk Mountain,Lovozero massif, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
The name alludes to the typical spherulitic morphology and the similarity to bertrandite in the main chemical constituents. |
| Name Pronunciation: |
Sphaerobertrandite + Pronunciation  |
| |