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?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
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Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.26-3.363.20-3.30
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
Good on {100}
Perfect
Mohs Hardness
6.5-75-6
2
10
👆🏻
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
Luster
Vitreous
-
Pleochroism
Strong
-
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.656-1.7041.674-1.764
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Triclinic
monoclinic
Birefringence
0.009-0.0120.014-0.016
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
OpaqueUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Emotional Healing