Origin
Sri Lanka, Burma, USA, Russia
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Color
Yellow, Brown, pink, Colorless
Black, Blue, Yellow, Green
Streak
White
Grey, Greenish, Brown
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
-
Brittle
Solubility
-
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Durability
-
-
Specific Gravity
3.46-3.503.28-3.44
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Splintery
Cleavage
Perfect
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Mohs Hardness
6-75.0-6.0
2
10
👆🏻
Chemical Composition
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na2Fe2+3Fe3+2Si8O22(OH)2
Luster
-
Vitreous, Silky
Pleochroism
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
X = blue
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.665-1.7121.680-1.698
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.036-0.0420.005-0.008
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Supports heart health
Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Intuition
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Clear Thinking