Origin
Southern and central Africa
Tanzania, Sri Lanka, China
Color
Greenish, Blue, Colorless, Green, Yellow
Colorless
Streak
Greenish, gray
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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Solubility
-
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Durability
-
-
Specific Gravity
3.17-3.243.60-3.61
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
(0001) indistinct
Imperfect/fair/absent
Mohs Hardness
9-9.58-8.5
2
10
👆🏻
Chemical Composition
SiCArthur Thomas , Gemstones (2009)
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Adamantine
Vitreous
Pleochroism
-
Weak
Dispersion
0.100.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.648-2.6911.70-1.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
6H polytype
Hexagonal
Birefringence
0.0430.055
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Clarity
Transformation
Healing
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Physical healing
Qualities Associated
Creativity
Spiritual Growth