1 Astrology
1.1 Origin
Sri Lanka
Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma
1.4 Color
Red, Blue, Green, Brown, Black
Blue, Yellow, Colorless, White, gray, Green, Black
1.3 Streak
1.6 For which Rashi?
Not Available
Aries, Libra, Taurus, Aries, Libra, Taurus, Aries, Libra, Taurus
1.11 Planet
1.15 Element of Planets
1.18 Energy
1.20 How to Wear?
1.21.1 Finger
Not Available
Not Available
1.23.1 Ring Metal
Not Available
Not Available
1.27 Deities
Not Available
Endurance, Meditation, Love
1.31 Not to wear with
Not Available
Not Available
1.34 Powers
1.36 Birthstone
1.37.1 Planetary
Not Available
Not Available
1.38.2 Talisman
Not Available
Not Available
4 Physical Properties
4.2 Tenacity
4.4 Solubility
5.2 Durability
Not Available
Not Available
5.6 Specific Gravity
5.12 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Splintery, Brittle, Metallic
5.15 Cleavage
Indistinct
[100] perfect [010] imperfect with 79° angle between
5.18 Mohs Hardness
6.3 Chemical Composition
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Not Available
7 Optical Properties
7.1 Luster
Vitreous
Vitreous, Pearly
7.4 Pleochroism
9.3 Dispersion
9.10 Transparency
Transparent, Translucent
Not Available
9.12 Refractive Index
1.770-1.7801.71-1.74
1
3.25
9.19 Optic Character
Not Available
Not Available
9.22 Crystal System
9.25 Birefringence
Not AvailableNot Available
0
0.296
10.4 Clarity
Transparent
Color grading system
12 Benefits
12.1 Physical
12.2.1 Neurological
Not Available
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12.2.3 Cardiovascular
Not Available
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13.1.2 Respiratory
Not Available
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13.1.5 Reproductive
Not Available
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13.1.8 Digestive
Not Available
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13.3 Psychology
Not Available
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13.5 Healing
Not Available
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13.7 Qualities Associated
Not Available
Not Available