1 Astrology
1.1 Origin
1.2 Color
Blue
Yellow, White, Red, Brown, Blue
1.3 Streak
1.4 For which Rashi?
Sagittarius, Scorpio
Cancer, Libra, Scorpio, Cancer, Libra, Scorpio, Cancer, Libra, Scorpio
1.5 Planet
1.6 Element of Planets
Not Available
Earth, Air, Water
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
Projective, Receptive
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Money
Astral Projection, Psychicism
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
BrittleWalter Schumann
2.2 Solubility
Not Available
hot salt water
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.65-4.551.98-2.25
1
7.18
2.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
2.6 Cleavage
None, but may exhibit slight parting
None
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
SiO2 · nH2O
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Pearly
3.2 Pleochroism
AbsentWalter Schumann
None
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004)
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
1.735-1.7901.37-1.52
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
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
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