Quartz (macrocrystalline)
Clear Quartz
Clear quartz is silicon dioxide grown in a repeating three-dimensional lattice, and it grows as six-sided prisms because of that lattice. Its internal wisps are healed fractures and trapped fluid from the time the crystal formed.
- Mineral family
Quartz (macrocrystalline)
- Typical colours
Colourless and glassy, sometimes lightly cloudy or veiled
- Hardness (Mohs)
7
- Luster
Vitreous
- Texture
Cold and hard in the hand, water-clear in places, with internal veils and fine fractures that catch the light.
Caring for it
One of the more durable stones here. Wash in cool soapy water and dry thoroughly. Avoid sudden temperature changes, which can open existing internal fractures, and keep it out of contact with bleach.