General Information:
Chemical Formula:BaSO4
Composition:(Molecular Weight = 233.39 gm)Barium 58.84 %
BaSulfur 13.74 %
S Oxygen 27.42 %
O Empirical Formula: Ba(SO4)
Environment:Sedimentary rocks and late gangue mineral in ore veins.
IMA Status:Approved IMA 1960
Locality:Roses of a red-brown color and sandy texture near Norman, Oklahoma.
Name Origin:From the Greek, baryos, "heavy."
Physical Properties: Cleavage:[010] Perfect, [210] Perfect, [010] Imperfect
Color:white, yellowish white, grayish white, brownish white, or dark brown.
Density:4.48
Diaphaniety:Transparent to translucent to opaque
Habits:Tabular - Form dimensions are thin in one direction., Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Massive - Fibrous - Distinctly fibrous fine-grained forms.
Hardness:3-3.5 - Calcite-Copper Penny
Luminescence:Phosphorescent.
Luster:Vitreous (Glassy)
Streak:white
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