Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Southern and central Africa
Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Green
Streak
White
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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
3.26-3.362.66-2.86
1
7.18
👆🏻
Fracture
Conchoidal
ConchoidalWalter Schumann
Cleavage
Good on {100}
Indiscernible
Mohs Hardness
6.5-77.5-8
2
10
👆🏻
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Al 2Be 3Si 6O 18Martin H.
Luster
Vitreous
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Pleochroism
Strong
Strongly dichroicMartin H. Read
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
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Refractive Index
1.656-1.7041.59
1
3.25
👆🏻
Optic Character
Biaxial/+
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Crystal System
Triclinic
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Birefringence
0.009-0.0120.004-0.010
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
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Respiratory
Good
Excellent
Reproductive
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Digestive
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Psychology
Harmony
Creativity
Healing
Emotional healing
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Qualities Associated
Balance
Creativity