Origin
Sri Lanka, Burma, USA, Russia
-
Color
Yellow, Brown, pink, Colorless
Blue, White, Grey, Yellow, Green, Colorless, Red, gray
Streak
White
Blue, 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
-
Brittle
Solubility
-
Gelatinises in acids
Durability
-
-
Specific Gravity
3.46-3.502.4-2.5
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
Perfect
Distinct on {110}
Mohs Hardness
6-75-6
2
10
👆🏻
Chemical Composition
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
Luster
-
Vitreous, Greasy
Pleochroism
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
None
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.665-1.7121.50
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric
Birefringence
0.036-0.042-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
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Psychology
Intuition
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Communication