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Tuhualite Mineral Data
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General Tuhualite Information
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 Chemical Formula: |
[ ](Na,K)Fe++Fe+++[Si6O15] |
| Composition: |
Molecular Weight = 546.41 gm |
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Potassium 1.43 % K 1.72 % K2O |
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Sodium 3.37 % Na 4.54 % Na2O |
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Iron 20.44 % Fe 13.15 % FeO / 14.61 % Fe2O3 |
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Silicon 30.84 % Si 65.98 % SiO2 |
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Oxygen 43.92 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.8K0.2Fe2+Fe3+Si6O15 |
| Environment: |
In volcanic rock. |
| IMA Status: |
Valid Species (Pre-IMA) 1932 |
| Locality: |
Mayor (Tuhua) Island, Bay of Plenty (Opo Bay), Norht Island, New Zealand. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Tuhualite + Pronunciation  |
| Synonym: |
ICSD 17017 |
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PDF 10-440 |
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