Help on Cleavage: Cleavage: [ 0 1 0 ] : Perfect
Help on Color: Color: colorless, gray, gray green, bluish or brownish greenish
Help on Density: Density: 3,24 g/cm3
Help on Diaphaniety: Diaphaniety: Transparent to Translucent
Help on Fracture: Fracture: Splintery - Thin, elongated fractures produced by intersecting good cleavages or partings (e.g. hornblende)
Help on Habits: Habits: Fibrous: Crystals made up of fibers
Prismatic: Crystals Shaped like Slender Prisms (e.g. tourmaline)
Acicular: Occurs as needle-like crystals
Help on Hardness: Hardness: 7 - Quartz
Help on Luminescence: Luminescence: None
Help on Luminescence: Short UV Color:
Help on Luminescence: Long UV Color:
Help on Luster: Luster: Vitreous (Glassy)
Help on Magnetism: Magnetism:
Help on Streak: Streak: white