| |
 |
Howlite Mineral Data
|
|
|
General Howlite Information
|
 Chemical Formula: |
Ca2B5SiO9(OH)5 |
| Composition: |
Molecular Weight = 391.32 gm |
| |
Calcium 20.48 % Ca 28.66 % CaO |
| |
Silicon 7.18 % Si 15.35 % SiO2 |
| |
Boron 13.81 % B 44.48 % B2O3 |
| |
Hydrogen 1.29 % H 11.51 % H2O |
| |
Oxygen 57.24 % O |
| |
______ ______ |
| |
100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca2B5SiO9(OH)5 |
| Environment: |
Secondary mineral in arid environments. |
| IMA Status: |
Valid Species (Pre-IMA) 1868 |
| Locality: |
Tick Canyon, Los Angeles Co., California. Link to MinDat.org Location Data. |
| Name Origin: |
Named after Henry How of Nova Scotia when he first described it in 1868. |
| Name Pronunciation: |
Howlite  |
| Synonym: |
ICSD 15178 |
| |
PDF 26-1404 |
| |