1 Astrology
1.1 Origin
Southern and central Africa
Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma
1.2 Color
Colorless, Greenish, Colorless, Green, gray, Yellow
Blue, Yellow, Colorless, White, gray, Green, Black
1.3 Streak
1.4 For which Rashi?
Not Available
Aries, Libra, Taurus, Aries, Libra, Taurus, Aries, Libra, Taurus
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
Not Available
Endurance, Meditation, Love
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
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
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.21-3.383.53-3.65
1
7.18
2.5 Fracture
Irregular/uneven, Uneven
Splintery, Brittle, Metallic
2.6 Cleavage
Perfect on {001}
[100] perfect [010] imperfect with 79° angle between
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Not Available
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Pearly
3.2 Pleochroism
StrongArthur Thomas
Trichroic
3.3 Dispersion
3.4 Transparency
Transparent
Not Available
3.5 Refractive Index
1.670-1.7341.71-1.74
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.006-0.011Not Available
0
0.296
3.9 Clarity
Transparent
Color grading system
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
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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
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available