1 Astrology
1.2 Origin
Southern and central Africa
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Color: colorless, light yellow, light pink, Hardness: 7, Refractive index: 1.63 1.64, Density: 2.98 3.03, Chemical composition: Ca(B2Si2O8), Crystal structure: orthorhombic, Origins: USA, Mexico, Brazil, Germany, Switzerland, Sri Lanka, Burma, Madagascar, Japan. Colorless danburites are common, with light pink or yellowish stones being more rare and expensive. Only eye clean pieces are valuable.
1.4 Color
Blue
Yellow, Brown, Colorless, White, gray, Brownish, Yellow
1.5 Streak
1.6 For which Rashi?
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2.2 Planet
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2.3 Element of Planets
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2.5 How to Wear?
2.5.1 Finger
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2.5.2 Ring Metal
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2.7 Energy
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2.9 Deities
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2.10 Not to wear with
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2.11 Powers
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2.12 Birthstone
2.12.1 Planetary
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2.12.2 Talisman
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3 Physical Properties
3.1 Tenacity
3.2 Solubility
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3.3 Durability
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3.4 Specific Gravity
2.64-2.692.97-3.03
1
7.18
3.8 Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
3.9 Cleavage
3.10 Mohs Hardness
4.4 Chemical Composition
SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
5 Optical Properties
5.1 Luster
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Vitreous, Greasy
5.2 Pleochroism
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Weak: pale yellow yellow
5.3 Dispersion
5.6 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
5.7 Refractive Index
1.544-1.5531.627-1.639
1
3.25
5.11 Optic Character
5.12 Crystal System
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Orthorhombic
5.13 Birefringence
6.5 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
7 Benefits
7.1 Physical
7.1.1 Neurological
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7.1.2 Cardiovascular
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7.1.3 Respiratory
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7.1.4 Reproductive
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7.1.5 Digestive
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7.2 Psychology
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7.3 Healing
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7.4 Qualities Associated
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