| |
 |
Heliophyllite Mineral Data
|
|
|
General Heliophyllite Information
|
 Chemical Formula: |
Pb6As2O7Cl4 |
| Composition: |
Molecular Weight = 1,646.85 gm |
| |
Arsenic 9.10 % As 12.98 % AsO2 |
| |
Lead 75.49 % Pb 81.32 % PbO |
| |
Chlorine 8.61 % Cl 8.61 % Cl |
| |
- %
Cl -1.94 % -O=Cl2 |
| |
Oxygen 6.80 % O |
| |
______ ______ |
| |
100.00 % 100.97 % = TOTAL OXIDE |
| Empirical Formula: |
Pb6As2O7Cl4 |
| Environment: |
Secondary mineral. |
| IMA Status: |
Valid Species (Pre-IMA) 1888 |
| Locality: |
Langban, Harstig, and Jakobsverg mines, Varmland Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the Greek for "sun" and "leaf', in reference to its color and structure. |
| Name Pronunciation: |
Heliophyllite + Pronunciation  |
| |