|
|
Petedunnite Mineral Data
|
|
|
General Petedunnite Information
|
Chemical Formula: |
Ca(Zn,Mn++,Fe++,Mg)Si2O6 |
Composition: |
Molecular Weight = 246.86 gm |
|
Sodium 0.93 % Na 1.26 % Na2O |
|
Calcium 14.61 % Ca 20.44 % CaO |
|
Magnesium 0.98 % Mg 1.63 % MgO |
|
Manganese 4.45 % Mn 5.75 % MnO |
|
Zinc 10.60 % Zn 13.19 % ZnO |
|
Iron 6.79 % Fe 5.82 % FeO / 3.23 % Fe2O3 |
|
Silicon 22.75 % Si 48.68 % SiO2 |
|
Oxygen 38.89 % O |
|
______ ______ |
|
100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Ca0.9Na0.1Zn0.4Fe2+0.2Mn2+0.2Mg0.1Fe3+0.1Si2O6 |
Environment: |
In a metamorphosed, stratiform zinc deposit. |
IMA Status: |
Approved IMA 1987 |
Locality: |
Franklin, Sussex County, New Jersey, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named for Pete J. Dunn, Department of Mineral Sciences, Smithsonian Institution, Washington D. C., USA. |
Name Pronunciation: |
Petedunnite + Pronunciation |
Synonym: |
ICSD 81450 |
|
PDF 40-495 |
|