About Smoky Quartz
A grey, translucent brown to nearly black variety of quartz, its color resulting from natural irradiation. It's a superb grounding and anchoring stone, effective in neutralizing negativity, detoxifying, and relieving stress.
Primary Hues
Brown, Grey, Black, Smoky Yellow-Brown, Transparent to Translucent
Geological & Scientific Details
Smoky Quartz is classified as a tectosilicates, quartz variety mineral which typically crystallizes in the α-quartz: trigonal trapezohedral class 3 2; β-quartz: hexagonal 622[1] system. Its chemical formula is SiO2. Common crystal habits include 6-sided prism ending in 6-sided pyramid (typical), drusy, fine-grained to microcrystalline, massive.
Key Geological Properties:
- Mineral Category: Tectosilicates, quartz variety
- Chemical Formula: SiO2
- Crystal System: α-quartz: trigonal trapezohedral class 3 2; β-quartz: hexagonal 622[1]
- Crystal Habit: 6-sided prism ending in 6-sided pyramid (typical), drusy, fine-grained to microcrystalline, massive
- Twinning: Common Dauphine law, Brazil law and Japan law
- Cleavage: {0110} none[2]
- Streak: White
- Diaphaneity: Transparent to nearly opaque
Associated Minerals
- Quartz
- Amethyst
- Citrine
- Rose Quartz
- Clear Quartz
- Morion