General Information:
Chemical Formula:
(Mg,Ni)2Si2O5(OH)2 (?)
Composition:
(Molecular Weight = 253.18 gm)
Magnesium 9.60 % Mg
Silicon 22.19 % Si
Nickel 23.18 % Ni
Hydrogen 0.80 % H
Oxygen 44.24 % O
Empirical Formula:
NiMgSi2O5(OH)2
Environment:
An inadequately described mineral.
Locality:
Mizhne Tagilsk massif, Ural Mountains, Russia.
Name Origin:
Named for Alexander Petrovich Karpinsky (1846-1936), Russian geologist and president of the Russian Academy of Sciences.
Physical Properties:
Cleavage:
[???] Perfect
Color:
colorless, greenish blue, or light blue.
Density:
2.53 - 2.63, Average = 2.58
Diaphaniety:
Translucent
Habits:
Massive - Granular - Common texture observed in granite and other igneous rock., ,
Hardness:
2.5-3 - Finger Nail-Calcite
Luster:
Greasy (Oily)
Streak:
white
More details...