| |
 |
Julgoldite-(Fe++) Mineral Data
|
|
|
General Julgoldite-(Fe++) Information
|
 Chemical Formula: |
Ca2Fe++(Fe+++,Al)2(SiO4)(Si2O7)(OH)2•(H2O) |
| Composition: |
Molecular Weight = 545.54 gm |
| |
Calcium 14.69 % Ca 20.56 % CaO |
| |
Aluminum 2.47 % Al 4.67 % Al2O3 |
| |
Iron 25.59 % Fe 13.17 % FeO / 21.95 % Fe2O3 |
| |
Silicon 15.44 % Si 33.04 % SiO2 |
| |
Hydrogen 0.74 % H 6.60 % H2O |
| |
Oxygen 41.06 % O |
| |
______ ______ |
| |
100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca2Fe2+Fe3+1.5Al0.5(SiO4)(Si2O7)(OH)2�(H2O) |
| IMA Status: |
Approved IMA 1971 |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named in 1971 by Moore for Julian Royce Goldsmith (1918-), American geochemist, University of Chicago. |
| Name Pronunciation: |
Julgoldite-(Fe++) + Pronunciation  |
| |