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Zimbabweite Mineral Data
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General Zimbabweite Information
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Chemical Formula: |
Na(Pb,Na,K)2(Ta,Nb,Ti)4As+++4O18 |
Composition: |
Molecular Weight = 1,498.05 gm |
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Potassium 1.30 % K 1.57 % K2O |
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Sodium 2.30 % Na 3.10 % Na2O |
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Tantalum 38.65 % Ta 47.20 % Ta2O5 |
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Titanium 0.96 % Ti 1.60 % TiO2 |
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Niobium 3.72 % Nb 5.32 % Nb2O5 |
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Arsenic 20.01 % As 26.41 % As2O3 |
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Lead 13.83 % Pb 14.37 % Pb2O |
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Oxygen 19.22 % O |
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______ ______ |
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100.00 % 99.57 % = TOTAL OXIDE |
Empirical Formula: |
Na1.5K0.5PbAs4Ta3.2Nb0.6Ti0.3O18 |
Environment: |
In a kaolinized pegmatite. |
IMA Status: |
Approved IMA 1986 |
Locality: |
St. Ann's mine, Karoi district, SE of Miami, Zimbabwe. Link to MinDat.org Location Data. |
Name Origin: |
Named for the country of origin. |
Name Pronunciation: |
Zimbabweite + Pronunciation |
Synonym: |
ICSD 202709 |
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PDF 39-356 |
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