1 Astrology
1.1 Origin
Canada, USA, Tanzania, Norway
Not Available, Southern and central Africa
1.2 Color
Red, Yellow, Brown, Yellow, Red, pink, Green
Brown
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Leo
Aries, Capricorn, Aries, Capricorn, Aries, Capricorn
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, Horus
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
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
2.62-2.65Not Available
1
7.18
2.5 Fracture
Gemstones of the world (2001)
Conchoidal
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
Not Available
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
Not Available
3.5 Refractive Index
1.53-1.55Not Available
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
Not Available
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
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available