Origin
Brazil, Colombia, Southern and central Africa
Kazakhstan
Color
Greenish, Blue, Colorless, White, Green
White, Colorless
Streak
White
White
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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Soluble
Durability
-
-
Specific Gravity
3.08-3.121.847-1.852
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Conchoidal
Cleavage
{010} Perfect
Poor to indistinct on {010}
Mohs Hardness
7.52-3
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca3Al3(SiO4)3(OH)
Luster
Vitreous
Vitreous
Pleochroism
Weak: colorless-(greenish) yellow
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Dispersion
0.02-
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.650-1.6771.488-1.525
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Triclinic
Birefringence
0.019-0.0250.027-0.034
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
Good
Reproductive
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Digestive
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Psychology
Harmony
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Healing
Emotional healing
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Qualities Associated
Communication
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