1 Astrology
1.1 Origin
1.2 Color
Colorless, White, Yellow, White, Greenish, gray, Brown, Colorless, Yellow
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
Very brittle
Not Available
2.2 Solubility
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.30-3.402.58-2.64
1
7.18
2.5 Fracture
Conchoidal, Brittle, Conchoidal
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
{010} perfect, {110} distinct, {100} in traces
Absent
2.7 Mohs Hardness
2.8 Chemical Composition
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
SiO2
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Strong
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Transparent
Translucent, Transparent to nearly opaque
3.5 Refractive Index
1.702-1.7501.535-1.539
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available