General Information:
Chemical Formula:
(Ni,Mg,Fe++)5Al(Si3Al)O10(OH)8
IMA Status:
Approved IMA 1968
Physical Properties:
Cleavage:
[001] Distinct
Color:
yellow green.
Density:
3.19
Diaphaniety:
Transparent to Translucent
Hardness:
3 - Calcite
Luster:
Pearly
Streak:
white
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