| |
 |
Derbylite Mineral Data
|
|
|
General Derbylite Information
|
 Chemical Formula: |
(Fe+++,Fe++,Ti)7Sb+++O13(OH) |
| Composition: |
Molecular Weight = 721.74 gm |
| |
Titanium 13.27 % Ti 22.13 % TiO2 |
| |
Iron 38.69 % Fe 19.91 % FeO / 33.19 % Fe2O3 |
| |
Antimony 16.87 % Sb 20.19 % Sb2O3 |
| |
Hydrogen 0.14 % H 1.25 % H2O |
| |
Oxygen 31.03 % O |
| |
______ ______ |
| |
100.00 % 96.67 % = TOTAL OXIDE |
| Empirical Formula: |
Fe3+3Fe2+2Ti2SbO13(OH) |
| Environment: |
In cinnaber-bearing placer gravels. |
| IMA Status: |
Valid Species (Pre-IMA) 1897 |
| Locality: |
Tripuhy, Ouro Preto, Minas Gerais, Brazil. Link to MinDat.org Location Data. |
| Name Origin: |
Named after the American Geologist Orville A. Derby 1851 - 1915 founder of the Brazilian Geological Survey. |
| Name Pronunciation: |
Derbylite + Pronunciation  |
| Synonym: |
ICSD 9825 |
| |
PDF 35-599 |
| |