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ATHENA MINERALOGY |
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ATHENA MINERALOGY |
| Mineral: | ERTLITE |
|---|---|
| Formula: | NaAl3Al6(Si4B2O18)(BO3)3(OH)3O |
| Crystal System: | Rhombohedral (Trigonal) |
| Group: | Tourmaline group |
| IMA Number: | 2023-086 |
| References: | EJM 36/4 (2024), 527; AM 110 (2025), 1865 |
| Type Locality: | In a granitic pegmatite, Sahatany Valley, Madagascar |
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