| |
 |
Tarapacaite Mineral Data
|
|
|
General Tarapacaite Information
|
 Chemical Formula: |
K2CrO4 |
| Composition: |
Molecular Weight = 194.19 gm |
| |
Potassium 40.27 % K 48.51 % K2O |
| |
Chromium 26.78 % Cr 51.49 % CrO3 |
| |
Oxygen 32.96 % O |
| |
______ ______ |
| |
100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
K2(CrO4) |
| Environment: |
Minor accessory mineral in nitrate deposits. |
| IMA Status: |
Valid Species (Pre-IMA) 1878 |
| Locality: |
In Chile, in nitrate caliche deposits throughout the Atacama Desert. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its first noted occurrence in the Tocopilla Pampa, 170 km north of Antofagasta, Tarapaca, Chile. |
| Name Pronunciation: |
Tarapacaite + Pronunciation  |
| Synonym: |
ICSD 2402 |
| |
PDF 15-365 |
| |