$25,500.00
Afghanistan tourmaline (predominantly belonging to the Elbaite species) is widely recognized as some of the highest-grade tourmaline in the global gem trade. Mined from rich pegmatite veins in the Hindu Kush region, it is celebrated for its incredible color variety, high transparency, and world-class crystal formations.
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| Weight | 66.70 crt |
| Mineral Species | Elbaite Tourmaline (Borosilicate mineral family) |
| Mohs Hardness | 7.0 – 7.5 (Durable for high-end jewelry) |
| Refractive Index (RI) | 1.624 – 1.644 |
| Birefringence | 0.018 – 0.020 |
| Pleochroism | Strong (Varies across axes; requires careful orientation) |
| Primary Mining Origins | Nuristan (Pech), Laghman, and Kunar provinces |
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