2026-01-27T08:18:52.918417 image/svg+xml Matplotlib v3.10.8, https://matplotlib.org/
orthorhombic

Barite

BaSO4

Quick Facts

Hardness
3
Specific Gravity
4.3-4.5
Refractive Index
1.636-1.648

Crystal Structure

orthorhombic[mmm]:{001}@1.0 + {210}@0.8 + {110}@0.5
orthorhombic
mmm
{001} {210} {110}

Physical Properties

Crystal Systemorthorhombic
Hardness (Mohs)3
Specific Gravity4.3-4.5
CleavagePerfect {001}, good {210}
FractureUneven
LustreVitreous to resinous

Optical Properties

Refractive Index1.636-1.648
Birefringence0.012
PleochroismWeak
Dispersion0.016