1 Astrology
1.1 Origin
Not Available
Brazil, Kenya, Madagascar, Southern and central Africa
1.2 Color
Not Available
Brown, Black
1.3 Streak
1.4 For which Rashi?
Pisces, Cancer, Pisces, Cancer, Pisces, Cancer
Capricorn, Sagittarius
1.5 Planet
Moon, Neptune, Moon, Neptune
Saturn
1.6 Element of Planets
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
2.5 Fracture
Not Available
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
Not Available
{0110} Indistinct
2.7 Mohs Hardness
2.8 Chemical Composition
3 Optical Properties
3.1 Luster
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Not Available
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
Not Available1.544-1.553
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.009
0
0.296
3.9 Clarity
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