1 Astrology
1.1 Origin
Afghanistan, Southern and central Africa, California
Canada, Russia
1.2 Color
Violet, Colorless, gray, White
Brown, Yellow, Greenish, Brown, Yellow, Greenish, Brown, Brownish, Red, Yellow
1.3 Streak
White
Brown, White, Brown, White
1.4 For which Rashi?
1.5 Planet
Jupiter, Neptune
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1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
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1.8 Energy
1.9 Deities
1.10 Not to wear with
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1.11 Powers
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
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2.4 Specific Gravity
2.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
Uneven, Brittle, Metallic
2.6 Cleavage
{001} perfect
Perfect on [001] imperfect on [100]
2.7 Mohs Hardness
2.8 Chemical Composition
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Greasy, Pearly
3.2 Pleochroism
X = almost colorless; Y = Z = pink
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.525-1.5871.678-1.758
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.0290-0.03800.050
0
0.296
3.9 Clarity
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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