Origin
Southern and central Africa
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Color
Yellow, Blue, Black, Green, gray
Brown, Colorless, Brownish, Black, Green, Greenish
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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Solubility
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Durability
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Specific Gravity
3.43-3.445.5-6.0
1
7.18
👆🏻
Fracture
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Conchoidal
Cleavage
None Observed
{001} Distinct
Mohs Hardness
6.5-76.5
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
ZrO 2Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Adamantine
Pleochroism
visible
DistinctArthur Thomas
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
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Transparent
Refractive Index
1.696-1.7022.13-2.20
1
3.25
👆🏻
Optic Character
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Crystal System
Triclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c
Birefringence
0.0050.07
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
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
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Healing
Emotional healing
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Qualities Associated
Transformation
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