Color: white, gray, red, purple, pink, yellow, green, brown, black, colorless
Streak: white
Hardness: 7
Specific gravity: 2.65
Cleavage: none
Fracture: conchoidal
Luster: vitreous
Crystal form: hexagonal/trigonal
Transparency: transparent to translucent
One of the most common minerals. It occurs in igneous, metamorphic, and sedimentary rocks and in mineral veins with metal ores.
For an explanation of the properties (in bold face), click here >>