Quartz · Common
Amethyst
The most valued quartz variety. Iron and natural irradiation produce a purple ranging from lilac to deep Siberian violet.
- Color
- Deep Purple
- Origin
- Uruguay
- Hardness
- 7 Mohs
- Rarity
- Common
- Price
- $40 / ct
- Family
- Quartz
Properties
- Silicon dioxide
- Trigonal
- Iron trace