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Stannomicrolite Mineral Data
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General Stannomicrolite Information
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 Chemical Formula: |
(Sn++,Fe++,Mn++)(Ta,Nb,Sn++++)2(O,OH)7 |
| Composition: |
Molecular Weight = 637.44 gm |
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Tantalum 34.06 % Ta 41.59 % Ta2O5 |
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Titanium 0.75 % Ti 1.25 % TiO2 |
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Manganese 0.86 % Mn 1.11 % MnO |
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Niobium 5.83 % Nb 8.34 % Nb2O5 |
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Iron 1.75 % Fe 2.25 % FeO |
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Tin 39.11 % Sn 35.93 % SnO / 9.46 % SnO2 |
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Hydrogen 0.06 % H 0.57 % H2O |
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Oxygen 17.57 % O |
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______ ______ |
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100.00 % 100.50 % = TOTAL OXIDE |
| Empirical Formula: |
Sn1.7Fe2+0.2Mn2+0.1Ta1.2Sn0.4Nb0.4Ti0.1O6.6(OH)0.4 |
| Environment: |
Replacing ferrowodginite inclusions in tantalian cassiterite, in a museum specimen from a granite pegmatite. |
| IMA Status: |
Approved IMA 1977 |
| Locality: |
Sukula, Tammela, Finland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for tin (STANNum), in the formula and membership in the microlite subgroup of the pyrochlore group. |
| Name Pronunciation: |
Stannomicrolite + Pronunciation  |
| Synonym: |
ICSD 38892 |
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PDF 13-1441 |
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Sukulaite |
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