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
Greenish, White
For which Rashi?
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-
Planet
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-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
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Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
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Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.26-3.363.16-3.43
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
Good on {100}
{110} Good, {110} Good
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,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Luster
Vitreous
Vitreous
Pleochroism
Strong
Weak: colorless -- very pale green -- very pale green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
TranslucentAnthony et al
Refractive Index
1.656-1.7041.662-1.723
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Triclinic
-
Birefringence
0.009-0.012-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TranslucentAnthony et al
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
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-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Empowerment
Healing
Emotional healing
Physical healing
Qualities Associated
Balance
Transformation