General Information:
Chemical Formula:
Ca4B10O19·7(H2O)
Composition:
(Molecular Weight = 698.51 gm)
Calcium 22.95 % Ca
Boron 15.48 % B
Hydrogen 2.02 % H
Oxygen 59.55 % O
Empirical Formula:
Ca4B10O19·7(H2O)
Locality:
Chetco, Curry County, Oregon, USA.
Name Origin:
Named after the American metallurgist, Thomas Price (1837-?), San Francisco metallurgist, who first analyzed the mineral.
Physical Properties:
Cleavage:
[001] Perfect
Color:
white.
Density:
2.42
Habits:
Concretionary - Rounded massive fine-grained materials., Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite)., Cryptocrystalline - Occurs as crysta ls too small to distinguish with the nak
Hardness:
3-3.5 - Calcite-Copper Penny
Luminescence:
None.
Luster:
Earthy (Dull)
Streak:
white
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