1 Astrology
1.1 Origin
Southern and central Africa
Southern and central Africa
1.2 Color
Blue, Colorless, White
White, Colorless, Blue, Red, Green, Yellow, Violet
1.3 Streak
1.4 For which Rashi?
Gemini, Virgo, Gemini, Virgo, Gemini, Virgo
Not Available
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Not Available
Not Available
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
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2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.45-2.582.58-2.63
1
7.18
2.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO 2Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
NilArthur Thomas
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Translucent
3.5 Refractive Index
1.583-1.6081.535-1.539
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Gemmological Tables (2004) More from other references
Translucent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
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