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Mackinawite Mineral Data
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General Mackinawite Information
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Chemical Formula: |
(Fe,Ni)S0.9 |
Composition: |
Molecular Weight = 85.42 gm |
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Iron 49.04 % Fe |
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Nickel 17.18 % Ni |
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Sulfur 33.79 % S |
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______ |
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100.00 % |
Empirical Formula: |
Fe2+0.75Ni0.25S0.9 |
Environment: |
Serpentinization of ultrabasic rocks. |
IMA Status: |
Approved IMA 1962 |
Locality: |
Mackinaw mine, Snohomish County, Washington, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Mackinawite + Pronunciation |
Synonym: |
ICSD 81087 |
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PDF 24-73 |
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