1 Astrology
1.1 Origin
Southern and central Africa
Southern and central Africa
1.2 Color
Brown, Black
Black, Brownish, Brown, Black, Brownish
1.3 Streak
1.4 For which Rashi?
Cancer, Leo, Cancer, Leo, Cancer, Leo
Not Available
1.5 Planet
Mars, Saturn
Not Available
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
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
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
Not Available4.5-4.8
1
7.18
2.5 Fracture
2.6 Cleavage
Not Available
None, parting may develop along {111}
2.7 Mohs Hardness
2.8 Chemical Composition
3 Optical Properties
3.1 Luster
Not Available
Not Available
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Not Available
Not Available
3.5 Refractive Index
Not Available2.08-2.16
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Not Available
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