1 Astrology
1.1 Origin
Southern and central Africa
Southern and central Africa
1.2 Color
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Not Available
Pisces, Cancer, Pisces, Cancer
1.5 Planet
Not Available
Moon, Neptune
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
1.10 Not to wear with
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1.11 Powers
1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
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2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.60-3.022.65-2.87
1
7.18
2.5 Fracture
Not Available
Not Available
2.6 Cleavage
Not Available
Not Available
2.7 Mohs Hardness
Not Available2.5-4.5
2
10
2.8 Chemical Composition
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
Not Available
3 Optical Properties
3.1 Luster
Pearly, Greasy
Not Available
3.2 Pleochroism
Not Available
Not Available
3.3 Dispersion
3.4 Transparency
Transparent
Gemmological Tables (2004)
3.5 Refractive Index
1.571-1.5971.53-1.69
1
3.25
3.6 Optic Character
3.7 Crystal System
Not Available
Not Available
3.8 Birefringence
Not Available0.16
0
0.296
3.9 Clarity
Transparent
Gemmological Tables (2004)
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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