Origin
Tanzania, Sri Lanka, China
Italy, China
Color
Colorless
Colorless, White, Blue, gray
Streak
White
White
For which Rashi?
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Planet
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Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
Planetary
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Talisman
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Tenacity
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Brittle
Solubility
-
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Durability
-
-
Specific Gravity
3.60-3.613.09
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Imperfect/fair/absent
Perfect on {100} and {010}, imperfect on {101}
Mohs Hardness
8-8.58
2
10
👆🏻
Chemical Composition
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
CaAl2Si2O7(OH)2.H2O
Luster
Vitreous
Vitreous, Greasy
Pleochroism
Weak
Weak
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.70-1.731.672-1.676
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Orthorhombic
Birefringence
0.0550.019-0.021
0
0.296
👆🏻
Clarity
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Physical
Neurological
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Cardiovascular
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Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Transformation
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Healing
Physical healing
Emotional healing
Qualities Associated
Spiritual Growth
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