1 Astrology
1.1 Origin
China
Southern and central Africa
1.2 Color
1.4 Streak
1.5 For which Rashi?
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1.7 Planet
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1.9 Element of Planets
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1.2 Energy
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1.4 How to Wear?
1.6.1 Finger
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1.7.2 Ring Metal
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1.9 Deities
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1.11 Not to wear with
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1.14 Powers
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1.17 Birthstone
1.18.1 Planetary
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1.21.2 Talisman
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2 Physical Properties
2.1 Tenacity
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3.3 Solubility
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3.6 Durability
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3.8 Specific Gravity
4.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Uneven
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
4.8 Cleavage
4.10 Mohs Hardness
4.15 Chemical Composition
Mn 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006)
Ca 5(F,Cl)(PO 4) 3Arthur Thomas , Gemstones (2009)
6 Optical Properties
6.1 Luster
6.3 Pleochroism
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7.2 Dispersion
7.7 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004)
7.9 Refractive Index
1.735-1.7451.628-1.651
1
3.25
7.14 Optic Character
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7.16 Crystal System
Orthorhombic
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7.18 Birefringence
9.6 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
10 Benefits
10.1 Physical
10.1.1 Neurological
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10.1.2 Cardiovascular
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10.1.3 Respiratory
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10.1.4 Reproductive
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10.1.5 Digestive
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10.2 Psychology
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10.3 Healing
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10.4 Qualities Associated
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