General Information:
Chemical Formula:
Cu8(AsO4)4(OH)4·5(H2O)
Composition:
(Molecular Weight = 1,222.15 gm)
Copper 41.60 % Cu
Arsenic 24.52 % As
Hydrogen 1.15 % H
Oxygen 32.73 % O
Empirical Formula:
Cu8(AsO4)4(OH)4·5(H2O)
IMA Status:
Approved IMA 1968
Name Origin:
Named after the Bulgarian petrographer, Strashimir Dimitrov.
Physical Properties:
Color:
white or green.
Density:
3.8
Habits:
Euhedral Crystals - Occurs as well-formed crystals showing good external form., Fibrous - Crystals made up of fibers., Encrustations - Forms crust-like aggregates on matrix.
Hardness:
2.5-3 - Finger Nail-Calcite
Luster:
Greasy (Oily)
Streak:
pale green
More details...