Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
USA
Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Yellow, Red, Green, Colorless, orange
Streak
White
Yellow, yellowish orange
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
-
-
Durability
-
-
Specific Gravity
3.26-3.365.50-5.90
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Good on {100}
On {10 1 0}, perfect; parting on {000 1 }
Mohs Hardness
6.5-74
2
10
👆🏻
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Subadamantine, Resinous
Pleochroism
Strong
Very weak
Dispersion
0.020.16
0.005
1
👆🏻
Transparency
-
TransparentRobert C. Kammerling
Refractive Index
1.656-1.7042.013-2.029
1
3.25
👆🏻
Optic Character
Biaxial/+
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Crystal System
Triclinic
Hexagonal
Birefringence
0.009-0.0120.016
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentRobert C. Kammerling
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
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Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Harmony
Passion
Healing
Emotional healing
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Qualities Associated
Balance
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