Origin
Southern and central Africa
Italy
Color
Brown, Brownish, White, Colorless, Yellow
Blue, Green
Streak
White
Blue, Green
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
Effervesces in cold
Durability
-
-
Specific Gravity
1.58-1.604-4.2
1
7.18
👆🏻
Fracture
Conchoidal
Splintery
Cleavage
{011} Imperfect
Perfect on {100} and {010}
Mohs Hardness
24
2
10
👆🏻
Chemical Composition
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
CuZn(CO3)(OH)2
Luster
Vitreous
Silky, Vitreous
Pleochroism
Weak: yellowish brown yellowAnthony et al
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.509-1.5411.672-1.688
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
monoclinic
Birefringence
0.0300.139-0.143
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Happiness
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Abundance
Communication