General Information:
Chemical Formula:Ca2B6O6(OH)10·8(H2O)
Composition:(Molecular Weight = 277.60 gm)Calcium 14.44 %
CaBoron 11.68 %
B Hydrogen 4.72 %
H Oxygen 69.16 %
O Empirical Formula: CaB3O3(OH)5·4(H2O)
Locality:Mount Blanco mine, Mount Blanco, Black Mountains, Death Valley, Inyo County, California.
Name Origin:Named after it's locality.
Physical Properties: Cleavage:[001] Good
Color:white or pinkish white.
Density:1.87
Diaphaniety:Transparent to Translucent
Habits:Tabular - Form dimensions are thin in one direction., Massive - Uniformly indistinguishable crystals forming large masses., Spherical - Spherical, rounded aggregates.
Hardness:2 - Gypsum
Luminescence:None.
Luster:Vitreous (Glassy)
Streak:white
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