Origin
Southern and central Africa
Canada, Southern and central Africa
Color
Brown, Brownish, White, Colorless, Yellow
Green, Yellow, Red
Streak
White
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
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Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
1.58-1.603.28-3.32
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
{011} Imperfect
{101} Distinct
Mohs Hardness
26-6.5
2
10
👆🏻
Chemical Composition
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Weak: yellowish brown yellowAnthony et al
-
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.509-1.5411.593-1.596
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422
Birefringence
0.0300.001
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
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Reproductive
-
-
Digestive
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Psychology
Happiness
Personal power
Healing
Emotional healing
Physical healing
Qualities Associated
Abundance
Vitality