1 Astrology
1.1 Origin
Ethiopia
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
1.2 Color
Yellow, White, Red, Brown, Blue
Brown
1.3 Streak
White
Brownish, Red, Black
1.4 For which Rashi?
Cancer, Libra, Scorpio, Cancer, Libra, Scorpio, Cancer, Libra, Scorpio
Not Available
1.5 Planet
1.6 Element of Planets
Earth, Air, Water
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
Projective, Receptive
Not Available
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Astral Projection, Psychicism
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
BrittleWalter Schumann
Not Available
2.2 Solubility
hot salt water
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
None
Good in one direction
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2 · nH2O
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Resinous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to translucent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
3.5 Refractive Index
1.37-1.522.190-2.457
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.083
0
0.296
3.9 Clarity
Transparent
TransparentWalter Schumann
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