Smoky Quartz
Smoky Quartz is a mineral with the chemical formula SiO2. It has a Mohs hardness of 7 and vitreous luster.
Smoky Quartz properties
| Type | Mineral |
|---|---|
| Chemical formula | SiO2 |
| Mohs hardness | 7 |
| Luster | vitreous |
| Typical colors | brown to black, can be nearly colorless |
| Formation | Igneous and metamorphic rocks, often in granite |
| Rarity | 3 / 10 |
Mohs hardness 7 — hard
1 · Talc5 · Apatite10 · Diamond
Mineralyst
Wondering what you found?
Point your camera at any mineral and Mineralyst identifies it in seconds — with guided follow-up questions for a confident answer.
- Build a collection
- Keep a wish list
- 5 photos per find
- Share with friends
