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Rengeite Mineral Data
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General Rengeite Information
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 Chemical Formula: |
Sr4ZrTi4Si4O22 |
| Composition: |
Molecular Weight = 1,063.06 gm |
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Strontium 29.67 % Sr 35.09 % SrO |
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Calcium 0.38 % Ca 0.53 % CaO |
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La,Ce,Pr,Nd,Sm, 0.68 % RE 0.79 % REE2O3 |
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Zirconium 6.86 % Zr 9.27 % ZrO2 |
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Titanium 18.47 % Ti 30.81 % TiO2 |
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Silicon 10.83 % Si 23.17 % SiO2 |
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Oxygen 33.11 % O |
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______ ______ |
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100.00 % 99.66 % = TOTAL OXIDE |
| Empirical Formula: |
Sr3.6Ca0.1REE0.05Zr0.8Ti4.1Si4.1O22 |
| Environment: |
Anhedral grains in jadeite from blue omphacite-jadeite rock attributed to high-P/T metamorphism. The Sr-Zr-dominant analogue of perrierite. |
| IMA Status: |
Approved IMA 1998 (Dana # Added) |
| Locality: |
Itoigawa-Ohmi district, Niigata Prefecture, central Japan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Mt Renge, near the discovery location and the jadeitite-bearing Renge metamorphic belt. |
| Synonym: |
IMA1998-055 |
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