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Struverite Mineral Data
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General Struverite Information
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Chemical Formula: |
(Ti,Ta,Fe+++)O2 |
Composition: |
Molecular Weight = 117.38 gm |
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Tantalum 30.83 % Ta 37.65 % Ta2O5 |
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Titanium 24.48 % Ti 40.83 % TiO2 |
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Niobium 7.92 % Nb 11.32 % Nb2O5 |
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Iron 9.52 % Fe 12.24 % FeO |
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Oxygen 27.26 % O |
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______ ______ |
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100.00 % 102.04 % = TOTAL OXIDE |
Empirical Formula: |
Ti0.6Ta0.2Fe2+0.2Nb0.1O2 |
Environment: |
Late primary mineral in granite pegmatites. Str�verite (1907) is now considered Ta-bearing rutile. |
IMA Status: |
Discredited IMA 2006 |
Locality: |
Craveggia, Val Vigezzo, Peidmont, Italy. Link to MinDat.org Location Data. |
Name Origin: |
Named for Giovanni Struver (1842-1915), mineralogist, University of Rome, Italy. |
Name Pronunciation: |
Struverite + Pronunciation |
Synonym: |
Strueverite |
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