1 Astrology
1.1 Origin
1.2 Color
Green, Blue
Blue, Green, Greenish, Black
1.3 Streak
1.4 For which Rashi?
Cancer, Gemini, Cancer, Gemini, Cancer, Gemini
Not Available
1.5 Planet
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
Protection, Love, Money
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
2.60-2.854.00-4.62
1
7.18
2.5 Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Conchoidal, Uneven
2.6 Cleavage
none
Indistinct parting on [111]
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
AbsentWalter Schumann
Not Available
3.3 Dispersion
3.4 Transparency
Translucent, Opaque
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.52-1.661.790-1.818
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.156Not Available
0
0.296
3.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
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