Origin
Sri Lanka
Brazil, Colombia, Southern and central Africa
Color
Red, Brown, Black
Greenish, Blue, Colorless, White, Green
Streak
Brown
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
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
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.97-3.143.08-3.12
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
ConchoidalWalter Schumann
Cleavage
{1011} Indistinct
{010} Perfect
Mohs Hardness
-99997.5
2
10
👆🏻
Chemical Composition
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Pale yellow colorlessAnthony et al
Weak: colorless-(greenish) yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.614-1.6661.650-1.677
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.014-0.0320.019-0.025
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
Supports heart health
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Respiratory
Good
Good
Reproductive
-
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Digestive
-
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Psychology
Empowerment
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Empowerment
Communication