Origin
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
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Color
Yellow, Brown, Colorless, White, gray, Brownish
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
Brittle
Solubility
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Durability
-
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Specific Gravity
2.97-3.033.28-3.44
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven, Splintery
Cleavage
{001} Poor
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Mohs Hardness
75.0-6.0
2
10
👆🏻
Chemical Composition
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na2Fe2+3Fe3+2Si8O22(OH)2
Luster
Vitreous, Greasy
Vitreous, Silky
Pleochroism
Weak: pale yellow yellow
X = blue
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
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Refractive Index
1.627-1.6391.680-1.698
1
3.25
👆🏻
Optic Character
Biaxial/+
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Crystal System
Orthorhombic
monoclinic
Birefringence
0.0060.005-0.008
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Spiritual Awareness
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Awakening
Clear Thinking