1 Astrology
1.1 Origin
Canada, USA, Tanzania, Norway
Let us know how we can update this page, (Click for more details), Not Available, Southern and central Africa
1.2 Color
Red, Yellow, Brown, Yellow, Red, pink, Green
Red
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
Not Available
Black Madonna, Isis
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Protection
Courage, Wealth
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.62-2.652.63-2.65
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
SiO2
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Weak or absentWalter Schumann
Not Available
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to translucent
Opaque
3.5 Refractive Index
1.53-1.551.54-1.55
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.007-0.010Not Available
0
0.296
3.9 Clarity
Transparent to translucent
Opaque
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available