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Franconite Mineral Data
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General Franconite Information
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 Chemical Formula: |
Na2Nb4O11•9(H2O) |
| Composition: |
Molecular Weight = 755.74 gm |
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Sodium 6.08 % Na 8.20 % Na2O |
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Niobium 49.17 % Nb 70.34 % Nb2O5 |
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Hydrogen 2.40 % H 21.45 % H2O |
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Oxygen 42.34 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na2Nb4O11•9(H2O) |
| Environment: |
In a dawsonite-bearing sill in vugs. |
| IMA Status: |
Approved IMA 1984 |
| Locality: |
Francon Quarry, Montreal Island, Quebec, Canada. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Franconite + Pronunciation  |
| Synonym: |
IMA1981-006 |
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