Origin
Brazil, Colombia, Southern and central Africa
Russia
Color
Greenish, Blue, Colorless, White, Green
Black, Violet, Blue, Green
Streak
White
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For which Rashi?
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Gemini, Virgo
Planet
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Mercury
Element of Planets
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Earth
Energy
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How to Wear?
Finger
-
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Ring Metal
-
-
Deities
-
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Not to wear with
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Powers
-
-
Birthstone
Planetary
-
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Talisman
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Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.08-3.123.22-3.40
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Conchoidal
Cleavage
{010} Perfect
1,2 prismatic.
Mohs Hardness
7.55-6
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
Weak: colorless-(greenish) yellow
Common trichroism: light green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.650-1.6771.668-1.703
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
monoclinic
Birefringence
0.019-0.0250.024-0.030
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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Supports heart health
Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Harmony
Renewal
Healing
Emotional healing
Physical healing
Qualities Associated
Communication
Love