1 Astrology
1.2 Origin
Mexico
Southern and central Africa
1.5 Color
Colorless, Colorless, Violet, White
Greenish
1.8 Streak
1.10 For which Rashi?
Not Available
Not Available
1.12 Planet
Not Available
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1.14 Element of Planets
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1.16 Energy
Not Available
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1.17 How to Wear?
1.17.1 Finger
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2.1.2 Ring Metal
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2.2 Deities
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2.4 Not to wear with
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3.2 Powers
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3.3 Birthstone
3.4.1 Planetary
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3.6.1 Talisman
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4 Physical Properties
4.1 Tenacity
4.2 Solubility
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4.3 Durability
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4.4 Specific Gravity
4.14 Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Not Available
4.15 Cleavage
Perfect on {100}
Not Available
4.16 Mohs Hardness
7.5 Chemical Composition
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
8 Optical Properties
8.1 Luster
8.2 Pleochroism
Not Available
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8.3 Dispersion
8.10 Transparency
Transparent, Translucent
Gemmological Tables (2004)
8.11 Refractive Index
1.461-1.4851.539-1.596
1
3.25
8.18 Optic Character
Not Available
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8.19 Crystal System
8.20 Birefringence
10.5 Clarity
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda
11 Benefits
11.1 Physical
11.1.1 Neurological
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11.2.1 Cardiovascular
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11.2.2 Respiratory
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12.0.3 Reproductive
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12.1.2 Digestive
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12.2 Psychology
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12.3 Healing
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12.4 Qualities Associated
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