1 Astrology
1.1 Origin
Canada, USA, Tanzania, Norway
Southern and central Africa
1.2 Color
Red, Yellow, Brown, Yellow, Red, pink, Green
Black, Blue, Violet
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
2.62-2.652.95-3.13
1
7.18
2.5 Fracture
Gemstones of the world (2001)
Not Available
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Weak or absentWalter Schumann
Strong in shades of violet when dark-colored.Anthony et al
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to translucent
Transparent
3.5 Refractive Index
1.53-1.551.622-1.666
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Triclinic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
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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