1 Astrology
1.1 Origin
Canada, USA, Tanzania, Norway
USA
1.2 Color
Red, Yellow, Brown, Yellow, Red, pink, Green
Yellow, White, Brown, Red
1.3 Streak
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
Not Available
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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
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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
Gemstones of the world (2001)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Weak or absentWalter Schumann
Pale yellow very pale yellow colorlessAnthony et al
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to translucent
Transparent
3.5 Refractive Index
1.53-1.551.563-1.593
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.007-0.010Not Available
0
0.296
3.9 Clarity
Transparent to translucent
Transparent
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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