| |
 |
Schwertmannite Mineral Data
|
|
|
General Schwertmannite Information
|
 Chemical Formula: |
Fe+++16O16(OH)12(SO4)2 |
| Composition: |
Molecular Weight = 1,545.76 gm |
| |
Iron 57.81 % Fe 82.65 % Fe2O3 |
| |
Hydrogen 0.78 % H 6.99 % H2O |
| |
Sulfur 4.15 % S 10.36 % SO3 |
| |
Oxygen 37.26 % O |
| |
______ ______ |
| |
100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Fe3+16O16(OH)12(SO4)2 |
| Environment: |
As a secondary precipitate forming crusts on material inundated by acidic (pH 3.2) drainage water. |
| IMA Status: |
Approved IMA 1994 |
| Locality: |
Pyhasalmi sulfide mine, Province or Oulu, Finland. Link to MinDat.org Location Data. |
| Name Origin: |
In honor of Udo Schwertmann (1922 - ). |
| Name Pronunciation: |
Schwertmannite + Pronunciation  |
| Synonym: |
IMA1990-006 |
| |