Origin
Southern and central Africa
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Color
Green
Blue, Green
Streak
Greenish, White
Blue
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
-
-
Specific Gravity
3.16-3.433.80-4.15
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
{110} Good, {110} Good
perfect along [010] and [100]
Mohs Hardness
5-63.5-4
2
10
👆🏻
Chemical Composition
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Silky
Pleochroism
Weak: colorless -- very pale green -- very pale green
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
TranslucentAnthony et al
Translucent
Refractive Index
1.662-1.7231.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
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Orthorhombic
Birefringence
-99990.063
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
Translucent
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
Empowerment
Communication
Healing
Physical healing
Emotional healing
Qualities Associated
Transformation
Communication