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ATHENA MINERALOGY |
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ATHENA MINERALOGY |
| Mineral: | PROTOENSTATITE |
|---|---|
| Formula: | Mg2Si2O6 |
| Crystal System: | Orthorhombic |
| Group: | Pyroxene group. Orthopyroxene subgroup |
| IMA Number: | 2016-117 |
| References: | AM 102 (2017), 2146 |
| Type Locality: | In Oregon sunstones, USA |
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