1 Astrology
1.1 Origin
Southern and central Africa
Colombia, Brazil, Madagascar
1.2 Color
Blue, Colorless, White
White, Colorless, Blue, Red, Green, Yellow, Violet
1.3 Streak
1.4 For which Rashi?
Gemini, Virgo
Not Available
1.5 Planet
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1.6 Element of Planets
1.7 Energy
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1.8 How to Wear?
1.8.1 Finger
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1.8.2 Ring Metal
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1.9 Deities
1.10 Not to wear with
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1.11 Powers
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1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
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2.2 Solubility
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.45-2.58Not Available
1
7.18
2.5 Fracture
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
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3 Optical Properties
3.1 Luster
3.2 Pleochroism
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3.3 Dispersion
3.4 Transparency
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3.5 Refractive Index
1.583-1.608Not Available
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.019Not Available
0
0.296
3.9 Clarity
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4 Benefits
4.1 Physical
4.1.1 Neurological
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
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4.1.5 Digestive
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4.2 Psychology
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4.3 Healing
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4.4 Qualities Associated
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