Origin
Brazil, Colombia, Southern and central Africa
Madagascar, Southern and central Africa
Color
Greenish, Blue, Colorless, White, Green
Grey, Brownish, Blue, Colorless, White, gray, Reddish
Streak
White
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
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Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.08-3.122.54-2.61
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Uneven
Cleavage
{010} Perfect
{001} Perfect, {010} Good
Mohs Hardness
7.56
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
-
Pleochroism
Weak: colorless-(greenish) yellow
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.650-1.6771.518-1.536
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
-
Birefringence
0.019-0.0250.005-0.008
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
-
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Respiratory
Good
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Reproductive
-
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Digestive
-
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Psychology
Harmony
Creativity
Healing
Emotional healing
-
Qualities Associated
Communication
Creativity