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Rhonite Mineral Data
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General Rhonite Information
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 Chemical Formula: |
Ca2(Mg,Fe++,Fe+++,Ti)6(Si,Al)6O20 |
| Composition: |
Molecular Weight = 814.43 gm |
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Potassium 0.48 % K 0.58 % K2O |
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Sodium 0.56 % Na 0.76 % Na2O |
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Calcium 8.86 % Ca 12.39 % CaO |
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Magnesium 7.46 % Mg 12.37 % MgO |
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Titanium 5.88 % Ti 9.81 % TiO2 |
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Aluminum 8.94 % Al 16.90 % Al2O3 |
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Iron 17.14 % Fe 11.47 % FeO / 11.76 % Fe2O3 |
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Silicon 11.38 % Si 24.35 % SiO2 |
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Oxygen 39.29 % O |
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______ ______ |
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100.00 % 100.39 % = TOTAL OXIDE |
| Empirical Formula: |
Ca1.8Na0.2K0.1Mg2.5Fe2+1.3Fe3+1.2TiSi3.3Al2.7O20 |
| Environment: |
In silica-undersaturated, alkalic, mafic to intermediate igneous rocks, as a primary mineral or alteration of amphiboles. |
| IMA Status: |
Valid Species (Pre-IMA) 1907 |
| Locality: |
Rhon Mountains, at Scharnhausen, near Stuttgart, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Rhonite  |
| Synonym: |
Rhoenite |
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