1 Astrology
1.1 Origin
1.2 Color
Red, gray, Brown, pink
Green, Blue
1.3 Streak
1.4 For which Rashi?
Not Available
Cancer, Gemini, Cancer, Gemini, Cancer, Gemini
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
Not Available
Protection, Love, Money
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
Slightly sectile
Not Available
2.2 Solubility
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Uneven, Uneven, Gemstones (2009), Brittle
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
Prismatic {10 1 0}, perfect
none
2.7 Mohs Hardness
2.8 Chemical Composition
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
3 Optical Properties
3.1 Luster
3.2 Pleochroism
NilArthur Thomas
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Translucent
Translucent, Opaque
3.5 Refractive Index
2.905-3.251.52-1.66
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.156
0
0.296
3.9 Clarity
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