General Information:
Chemical Formula:
Ca2B6O6(OH)10·8(H2O)
Composition:
(Molecular Weight = 277.60 gm)
Calcium 14.44 % Ca
Boron 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
More details...