Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Southern and central Africa
Color
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Yellow, Blue, Black, Green, gray
Streak
White
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.57-2.663.43-3.44
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
-
Cleavage
Fair on {100}, poor on {001} and {010}
None Observed
Mohs Hardness
7-7.56.5-7
2
10
👆🏻
Chemical Composition
Mg2Al4Si5O18
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Greasy, Vitreous
Vitreous
Pleochroism
X = pale yellow
visible
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
-99991.696-1.702
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Triclinic
Birefringence
-99990.005
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Supports healthy digestion
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Cardiovascular
-
-
Respiratory
Good
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Reproductive
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Digestive
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Psychology
Intuition
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Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Transformation