1 Astrology
1.1 Origin
Italy
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
1.2 Color
Yellow, orange, Red
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
1.3 Streak
1.4 For which Rashi?
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1.5 Planet
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1.6 Element of Planets
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1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
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1.8 Energy
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1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
3.355-3.4332.57-2.66
1
7.18
2.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Subconchoidal, Conchoidal, Brittle
2.6 Cleavage
{???} Good, {???} Good
Fair on {100}, poor on {001} and {010}
2.7 Mohs Hardness
2.8 Chemical Composition
(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)
Mg2Al4Si5O18
3 Optical Properties
3.1 Luster
Vitreous
Greasy, Vitreous
3.2 Pleochroism
In thick sections
X = pale yellow
3.3 Dispersion
3.4 Transparency
Transparent
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3.5 Refractive Index
1.690-1.705Not Available
1
3.25
3.6 Optic Character
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3.7 Crystal System
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Orthorhombic
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Transparent
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4 Benefits
4.1 Physical
4.1.1 Neurological
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
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4.1.5 Digestive
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4.2 Psychology
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4.3 Healing
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4.4 Qualities Associated
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