Quartz Properties, Molecular Formula, Applications - WorldOfChemicals

Quartz Properties




Quartz is the second most abundant mineral in the Earth's continental crust, after feldspar. There are many different varieties of quartz, several of which are semi-precious gemstones.Its been the most commonly used minerals in the making of jewelry and hardstone carvings. Quartz is used in the making of sandpaper, optics, glass, liquid filters, circuit boards, computer components, cement , mortar, and jewelry. Quartz crystals are also piezoelectric meaning when an electrical current passes through them they vibrate a small amount. Time can be measured from the vibrations of the quartz crystals so quartz crystals are often used in clocks.

Chemical Properties

Appearance Amber,Grey Solid
Boiling Point 2230 °C
CAS Number 14808-60-7
Crystal Structure Trigonal
Density 2.6 g/mL
EINECS Number 238-878-4
IUPAC Name silicon dioxide
Melting Point 1610 °C
Molar Mass 60.1g/mol
Molecular Formula SiO2
NFPA 704 H-1,F-0,R-0,C-NA
RTECS Number VV7330000
Refractive 1.543–1.545 n/D
Solubility Insoluble in water
Synonyms Silicon Dioxide;Sand
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