Barytocalcite
Chemical Formula	BaCa(CO3)2
Species	Carbonates
Crystal System	Monoclinic
Mohs Scale	4
Specific Gravity	3.64-3.71
Color	Colourless, white, greyish, greenish, light yellow
Streak	White
Luster	Vitreous, Resinous
Refractive Index	n = 1.525 n = 1.684 n = 1.686
Diaphaneity	Transparent, Translucent
Cleavage	Perfect in at least two directions
Fracture	Irregular/Uneven, Conchoidal
Crystal Habit：Prismatic, drusy, massive – granular