BaSO4Orthorhombic
Barite
BaSO4
SulfatesChemical FormulaBaSO4
Crystal SystemOrthorhombic
Mohs Hardness3.5
Specific Gravity4.5
ColorColorless, white, blue, yellow
LusterVitreous to resinous
StreakWhite
CleavageOne direction
FractureUneven
Occurrence
Found in hydrothermal veins and sedimentary rocks. Very heavy for its size. Used in drilling mud.