BARYTE

Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA

BaSO₄

Crystal System: orthorhombic
Colour: colourless, white, yellow, brown, grey or blue
Lustre: vitreous, pearly
Habitus: prismatic or flattened
Hardness: 3
Fracture: irregular/uneven
Cleavage: perfect - perfect on {001}; less perfect on {210}; imperfect on {010}.
Density: 4.50 g/cm³
Origin and geological occurrence: it is a gangue mineral in low-temperature hydrothermal veins and a primary component of submarine volcanogenic massive sulfide deposits. Baryte is an accessory mineral in igneous rocks and in carbonatites.

www.mindat.org
Smorf link

Samples: