1 Astrology
1.1 Origin
Southern and central Africa
Madagascar
1.2 Color
1.3 Streak
1.4 For which Rashi?
Sagittarius, Leo, Sagittarius, Leo, Sagittarius, Leo
Not Available
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
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1.8 Energy
Projective, Receptive
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1.9 Deities
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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
Not Available2.85-3.00
1
7.18
2.5 Fracture
Not Available
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
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Vitreous, Pearly
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.54-1.561.578-1.639
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not Available0.037-0.039
0
0.296
3.9 Clarity
Not Available
Gemmological Tables (2004) More from other references
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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