Origin
Southern and central Africa
Sri Lanka, Burma, USA, Russia
Color
White, Violet, Blue, Yellow, Brownish, Colorless, Greenish
Yellow, Brown, pink, Colorless
Streak
Colorless
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.783.46-3.50
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{???} Distinct, {???} Indistinct
Perfect
Mohs Hardness
5-66-7
2
10
👆🏻
Chemical Composition
3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Resinous
-
Pleochroism
-
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.556-1.6001.665-1.712
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
0.024-0.0370.036-0.042
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Aids in mental clarity and focus
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Cardiovascular
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-
Respiratory
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Good
Reproductive
-
-
Digestive
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-
Psychology
Optimism
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Emotional Healing