Origin
Southern and central Africa
Mexico
Color
Grey, Green
Blue, Black
Streak
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Grey, Black, gray
For which Rashi?
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Planet
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-
Element of Planets
-
-
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
-
-
Birthstone
Planetary
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Talisman
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Tenacity
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Flexible
Solubility
-
-
Durability
-
-
Specific Gravity
3.62-3.684.6-4.76
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
Distinct
Perfect on {0001}
Mohs Hardness
8-8.5-9999
2
10
👆🏻
Chemical Composition
(Mg,Fe,Zn)Al 6BeO 12Ulrich Henn and Claudio C.
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous
Resinous
Pleochroism
-
Marked
Dispersion
0.020.08
0.005
1
👆🏻
Transparency
-
OpaqueAnthony et al
Refractive Index
1.719-1.7391.45-2.62
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Hexagonal
Birefringence
0.014-0.016-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
OpaqueAnthony et al
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
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Good
Reproductive
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Digestive
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Psychology
Transformation
Transformation
Healing
Physical healing
Emotional healing
Qualities Associated
Psychic Abilities
Manifestation