Origin
Southern and central Africa
Brazil
Color
Yellow, Brown, Black
Blue
Streak
White
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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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Durability
-
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Specific Gravity
4.3922.60-2.90
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
{010} moderate, {100} imperfect
Indistinct
Mohs Hardness
6.5-77.5-8
2
10
👆🏻
Chemical Composition
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
Luster
Vitreous, Resinous
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Pleochroism
Faint
Strong dichroism: blue to colourless\
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
TransparentAnthony et al
Transparent
Refractive Index
1.827-1.8791.560-1.604
1
3.25
👆🏻
Optic Character
-
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Crystal System
Orthorhombic
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Birefringence
0.042-0.0510.003-0.010
0
0.296
👆🏻
Clarity
TransparentAnthony et al
Transparent
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Respiratory
Good
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Reproductive
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Digestive
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Psychology
Creativity
Communication
Healing
Physical healing
Emotional healing
Qualities Associated
Creativity
Communication