Origin
Southern and central Africa
Austria, Mexico, China
Color
Yellow, Blue, Black, Green, gray
Colorless, Yellow, Brownish, Red, Violet, 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
-
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
3.43-3.442.15
1
7.18
👆🏻
Fracture
-
Splintery, Conchoidal
Cleavage
None Observed
{001}, perfect
Mohs Hardness
6.5-72.5-3
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
KMg(SO4)Cl
Luster
Vitreous
Vitreous
Pleochroism
visible
Visible: X = violet
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.696-1.7021.494
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
monoclinic
Birefringence
0.0050.022
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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Reproductive
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Digestive
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Psychology
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Adaptability
Healing
Emotional healing
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Qualities Associated
Transformation
Balance