Origin
Southern and central Africa
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Color
Greenish, Blue, Colorless, Green, Yellow
Brown, Blue, Green, Yellow, White
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
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Specific Gravity
3.17-3.243.32-3.43
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
(0001) indistinct
Poor on {110} and {100} very poor on {001}
Mohs Hardness
9-9.56-7
2
10
👆🏻
Chemical Composition
SiCArthur Thomas , Gemstones (2009)
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
Luster
Adamantine
Vitreous, Resinous
Pleochroism
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slight in colored varieties
Dispersion
0.100.03
0.005
1
👆🏻
Transparency
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Refractive Index
2.648-2.6911.703-1.752
1
3.25
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Optic Character
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Crystal System
6H polytype
tetragonal
Birefringence
0.0430.004-0.006
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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Enhances mental clarity and focus
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
Transformation
Healing
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Emotional healing
Qualities Associated
Creativity
Transformation