$130.00
Amethyst is the famous purple variety of the quartz mineral family ($\text{SiO}_2$). Coloration ranges from soft lilac and pastel lavender to deep, rich royal purple with reddish-violet secondary flashes.
It is one of the most popular, durable, and affordable colored gemstones in the global lapidary market.
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| Weight | 1.80 crt |
| Mineral Family | Quartz |
| Mohs Hardness | 7.0 (Durable for all jewelry styles) |
| Refractive Index (RI) | 1.544 – 1.553 |
| Optic Character | Uniaxial Positive (DR) |
| Color Cause | Iron impurities subjected to natural gamma irradiation |
| Major Sources | Brazil, Uruguay, Zambia, Madagascar, and Sri Lanka |
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