Origin
-
Australia, Austria, Czech, Italy
Color
Colorless, Yellow, Brown, Green, Red, Reddish
Green, Brownish
Streak
White, Yellow, Colorless
Greenish, White
Specific Gravity
3.0-3.1
3.18-3.24
Cleavage
Perfect on {001}
perfect on {001}
Chemical Composition
Ca(Mg,Al)3(Al3Si)O10(OH)2
Ni3(Si2O5)(OH)4
Luster
Vitreous, Pearly
Waxy, Pearly
Pleochroism
X = colorless
Weak
Refractive Index
1.643-1.648
1.600-1.630
Crystal System
monoclinic
Orthorhombic
Birefringence
0.012-0.015
-9999
Healing
Emotional healing
Emotional healing
Qualities Associated
Creativity
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