1 Astrology
1.1 Origin
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Not Available
1.2 Color
1.3 Streak
Brownish, Red, Black
Not Available
1.4 For which Rashi?
Not Available
Aquarius, All, Taurus, Aquarius, All, Taurus, Aquarius
1.5 Planet
Not Available
Not Available
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
Not Available
Projective, Receptive
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
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
2.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Not Available
2.6 Cleavage
Good in one direction
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Not Available
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Not Available
3.3 Dispersion
3.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Not Available
3.5 Refractive Index
2.190-2.457Not Available
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Orthorhombic
Not Available
3.8 Birefringence
0.083Not Available
0
0.296
3.9 Clarity
TransparentWalter Schumann
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