1 Astrology
1.1 Origin
1.2 Color
Red
Reddish, White, Violet, gray, Black, Reddish, White, Violet, gray, Black
1.3 Streak
1.4 For which Rashi?
Taurus, Leo, Taurus, Leo, Taurus, Leo
Not Available
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
Isis, Bragi
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Protection, Healing, Courage
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
2.5 Fracture
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
2.6 Cleavage
Absent
{100} Good, {010} Good, {001} Good
2.7 Mohs Hardness
2.8 Chemical Composition
SiO2
CoAsSAnthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
AbsentWalter Schumann
Very weak
3.3 Dispersion
3.4 Transparency
Translucent, Transparent to nearly opaque
Gems
3.5 Refractive Index
1.535-1.539Not Available
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Trigonal
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
3.8 Birefringence
0.003-0.009Not Available
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