| |
 |
Eckermannite Mineral Data
|
|
|
General Eckermannite Information
|
 Chemical Formula: |
NaNa2(Mg4Al)Si8O22(OH)2 |
| Composition: |
Molecular Weight = 803.86 gm |
| |
Sodium 8.58 % Na 11.57 % Na2O |
| |
Magnesium 12.09 % Mg 20.06 % MgO |
| |
Aluminum 3.36 % Al 6.34 % Al2O3 |
| |
Silicon 27.95 % Si 59.80 % SiO2 |
| |
Hydrogen 0.25 % H 2.24 % H2O |
| |
Oxygen 47.77 % O |
| |
______ ______ |
| |
100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na3Mg4Al(Si8O22)(OH)2 |
| IMA Status: |
Valid Species (Pre-IMA) 1942 |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883). |
| Name Pronunciation: |
Eckermannite + Pronunciation  |
| |