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Holdenite Mineral Data
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General Holdenite Information
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 Chemical Formula: |
(Mn,Mg)6Zn3(AsO4)2(SiO4)(OH)8 |
| Composition: |
Molecular Weight = 1,018.89 gm |
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Magnesium 1.43 % Mg 2.37 % MgO |
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Manganese 29.66 % Mn 38.29 % MnO |
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Zinc 19.25 % Zn 23.96 % ZnO |
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Silicon 2.76 % Si 5.90 % SiO2 |
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Arsenic 14.71 % As 22.56 % As2O5 |
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Hydrogen 0.79 % H 7.07 % H2O |
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Oxygen 31.41 % O |
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______ ______ |
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100.00 % 100.16 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+5.5Mg0.6Zn3(AsO4)2(SiO4)(OH)8 |
| Environment: |
Secondary mineral in veinlets and other voids in a metamorphosed zinc deposit. |
| IMA Status: |
Valid Species (Pre-IMA) 1927 |
| Locality: |
Franklin and Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Albert Fairchild Holden (1866-1913), mining engineer from Salt Lake City, Utah, USA. |
| Name Pronunciation: |
Holdenite + Pronunciation  |
| Synonym: |
ICSD 100075 |
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PDF 29-903 |
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