1 Astrology
1.1 Origin
Brazil
Southern and central Africa
1.2 Color
Yellow
Yellow, Red, Brown
1.3 Streak
Greenish, Black, Brownish
Not Available
1.4 For which Rashi?
Not Available
Pisces, Cancer, Pisces, Cancer
1.5 Planet
Not Available
Moon, Neptune
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
insoluble in water
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
5.00-5.202.65-2.87
1
7.18
2.5 Fracture
Uneven, Conchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
Not Available
2.6 Cleavage
Indistinct on {001}; partings on {011} and {111}
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
3 Optical Properties
3.1 Luster
Not Available
Not Available
3.2 Pleochroism
Not Available
Not Available
3.3 Dispersion
3.4 Transparency
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Gemmological Tables (2004)
3.5 Refractive Index
Not Available1.53-1.69
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.16
0
0.296
3.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Gemmological Tables (2004)
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