Origin
Brazil, Colombia, Southern and central Africa
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Color
Greenish, Blue, Colorless, White, Green
Colorless, Yellow, Brown, Green, Red, Reddish
Streak
White
White, Yellow, Colorless
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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Brittle
Solubility
-
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Durability
-
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Specific Gravity
3.08-3.123.0-3.1
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
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Cleavage
{010} Perfect
Perfect on {001}
Mohs Hardness
7.53.5
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca(Mg,Al)3(Al3Si)O10(OH)2
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Weak: colorless-(greenish) yellow
X = colorless
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.650-1.6771.643-1.648
1
3.25
👆🏻
Optic Character
-
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Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
monoclinic
Birefringence
0.019-0.0250.012-0.015
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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Respiratory
Good
Poor
Reproductive
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Digestive
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Psychology
Harmony
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Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Creativity