Brians+mineral

=Quartz...=

Category: Oxide mineral Chemical: Formula Silica Color: Colorless through various colors close to black Crystal habit: 6 sided massive, pyramid or prism Twinning: Common Dauphine law, Brazil law Clevavage: Indistinct Fracture: Conchoidal Tenacity: Brittle Hardness scale: 7 lower in some varieties Streak: White Viterous: waxy to dull when big

Quartz is the second most abundant mineral in Earths crust. There is a lot of different varieties of quartz which a lot of turn into gemstones. Quartz is used in radios, as crystal gems, sandpaper, soap, prisms, glass, paints, clocks, watches, and computers .Quartz is the most common mineral on the face geological environment and is at least a component of almost every rock type.