Kudwal Gems Lab

Emerald-पन्ना (बुध देव रत्न)

1. Ruling Planet – Mercury
2. Color – Green
3. Chemical formula – Be3Al2(SiO3)6
4. Luster – Vitreous
5. Crystal – Hexagonal (6/m 2/m 2/m)
6. Gravity – 2.68 Approx.
7. Refraction – 1.570- 1.580

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