1 Astrology
1.1 Origin
USA, Mexico, Austria, India, Southern and central Africa, Australia, Argentina, Mexico, Spain, Argentina, Mexico, Spain
Southern and central Africa
1.2 Color
Red, Brown, rose
Violet, Blue, Red, Yellow, Brown, gray
1.3 Streak
1.4 For which Rashi?
Scorpio, Leo, Scorpio, Leo, Scorpio, Leo
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1.5 Planet
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
1.9 Deities
Mary Magdalene
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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
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Uneven, Conchoidal, Conchoidal to uneven, Brittle
Uneven, Uneven, Gems, Difficult, Fibrous
2.6 Cleavage
On {10 1 1} perfect; parting on {10 1 2}
None – parting in 3 directions
2.7 Mohs Hardness
2.8 Chemical Composition
MnCO3
Al 2O 3Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Vitreous
Adamantine, Vitreous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Transparent, Opaque, Transparent to nearly opaque
Transparent, Translucent
3.5 Refractive Index
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.208-0.2200.007-0.010
0
0.296
3.9 Clarity
Transparent to nearly opaque
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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