Origin
Austria, Spain, Russia, Canada, Australia
Madagascar
Color
Colorless, Brownish, Yellow, Green, gray, White
Red, Colorless, Yellow, White
Streak
White
White
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
-
-
Durability
-
-
Specific Gravity
3.7-3.93.34-3.44
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
5.5-68-8.5
2
10
👆🏻
Chemical Composition
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
-
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
TransparentWalter Schumann
-
Refractive Index
1.735-1.7381.684-1.694
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
-
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TransparentWalter Schumann
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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-
Cardiovascular
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-
Respiratory
-
-
Reproductive
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Digestive
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Psychology
-
Creativity
Healing
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-
Qualities Associated
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Energy Amplification