Mineral: | Corindón variedad: Zafiro
| Fórmula química: | Al2O3 | Tamaño: | | Peso: | | Transparencia: | transparente - translúcido | Número de piezas: | | Origen: | De las gravas aluviales de Ratnapura, Provincia de Sabaragamuwa, Sri Lanka | This sapphire cabochon from Sri Lanka shows instead of six-ray asterism at 12-ray star!! Normally rutile inclusions causing the six-ray effect. In this case hematite inclusions are additionally hosted by this sapphire and reflecting the light in between the already existing six-ray pattern and in this case the star is also well centered. 12-ray star sapphires are a much rarer find!
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