1 Astrology
1.1 Origin
1.2 Color
Reddish, White, Violet, gray, Black, Reddish, White, Violet, gray, Black
Red
1.3 Streak
1.4 For which Rashi?
Not Available
Taurus, Leo, Taurus, Leo, Taurus, Leo
1.5 Planet
1.6 Element of Planets
Not Available
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
1.9 Deities
Not Available
Isis, Bragi
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Protection, Healing, Courage
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
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
{100} Good, {010} Good, {001} Good
Absent
2.7 Mohs Hardness
2.8 Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)
SiO2
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Very weak
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Gems
Translucent, Transparent to nearly opaque
3.5 Refractive Index
Not Available1.535-1.539
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
Trigonal
3.8 Birefringence
Not Available0.003-0.009
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