Origin
Southern and central Africa
Sri Lanka
Color
Greenish, Blue, Colorless, Green, Yellow
Red, Brown, Black
Streak
Greenish, gray
Brown
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
3.17-3.242.97-3.14
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
(0001) indistinct
{1011} Indistinct
Mohs Hardness
9-9.5-9999
2
10
👆🏻
Chemical Composition
SiCArthur Thomas , Gemstones (2009)
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Luster
Adamantine
Vitreous
Pleochroism
-
Pale yellow colorlessAnthony et al
Dispersion
0.100.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
2.648-2.6911.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
6H polytype
-
Birefringence
0.0430.014-0.032
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
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Cardiovascular
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Supports heart health
Respiratory
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Good
Reproductive
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Digestive
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Psychology
Clarity
Empowerment
Healing
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Emotional healing
Qualities Associated
Creativity
Empowerment