
Physical & Chemical Properties
| Name | Amethyst |
|---|---|
| Scientific Name | Quartz (Variety: Amethyst) |
| Mineral Group | Quartz Group |
| Hardness (Mohs) | 7 |
| Color | Light purple to deep violet |
| Origin | Amethyst is a natural gemstone formed in volcanic rocks, cavities, and geodes through slow crystallization of silica-rich fluids. |
| Chemical Formula | SiOβ |
| Crystal System | Trigonal |
|---|---|
| Specific Gravity | 2.65 |
| Birthstone | Febrauray |
| Refractive Index | 1.544 β 1.553 |
| Optical Character | Uniaxial (+) |
| Dispersion | Low (0.013) |
| Major Sources | Brazil, Uruguay, Zambia, Madagascar, India, Russia, Sri Lanka |
| Treatments | untreated |
| Price Range | $2 to $30 |
| Care Instructions | Clean with lukewarm water and mild soap Use a soft cloth or soft brush Avoid harsh chemicals Avoid long exposure to strong sunlight or heat Store separately to prevent scratches |
Welcome Back π
Sign in to access your account and continue where you left off.
Welcome aboard π
Create your account to access everything you need.