Quartz
39 item(s)
Sort By: Best match
Quartz is the most common of all minerals and is found in many different rocks and ore deposits around the world and there are many varieties of quartz including amethyst, citrine, aventurine, rose quartz and smoky quartz. Browse our entire collection of quartz for sale today.
Quartz crystals generate an electrical charge and is useful and most importantly used in the fields of radio, television, and radar. It is also used in making sandpaper and grindstones. Quartz sands are used in the manufacture of glass and mortar. Hardness: Hard (7) Glassy or waxy luster.
Some Important Facts About Quatrz
- It is made of silica.
- The chemical formula is SiO2 (silicon dioxide).
- It has a hexagonal crystal system.
- On the Mohs scale quartz has a hardness of 7
Quartz Mineral Properties
Color(s): colorless (rock crystal),white, yellow (citrine),brown (smoky quartz), black (morion),purple (amrthyst), pink (rose quartz), green (chrysoprase)
Streak: white
Luster: vitreous, glassy
Transparency: transparent to translucent
Crystal system: triagonal
Specific Gravity: 2.6
Hardness (Mohs): 7
Cleavage: none
Fracture: conchoidal
Uses: electronics, abrasives, making glass and mortar
Location: widespread occurance
