Origin
Southern and central Africa
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Color
Grey, Green
Brown, Colorless, Brownish, Black, Green, Greenish
Streak
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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
3.62-3.685.5-6.0
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Distinct
{001} Distinct
Mohs Hardness
8-8.56.5
2
10
👆🏻
Chemical Composition
(Mg,Fe,Zn)Al 6BeO 12Ulrich Henn and Claudio C.
ZrO 2Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Adamantine
Pleochroism
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DistinctArthur Thomas
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
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Transparent
Refractive Index
1.719-1.7392.13-2.20
1
3.25
👆🏻
Optic Character
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Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c
Birefringence
0.014-0.0160.07
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
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Cardiovascular
Supports heart health
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Transformation
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Healing
Physical healing
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Qualities Associated
Psychic Abilities
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