1 Astrology
1.1 Origin
USA, Mexico, Austria, India, Southern and central Africa, Australia, Argentina, Mexico, Spain, Argentina, Mexico, Spain
Canada, Brazil, Kenya, Tanzania, Madagascar, Burma, Afghanistan
1.2 Color
Red, Brown, rose
Violet, White, gray, Brown, pink, Yellow
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
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Uneven, Conchoidal, Conchoidal to uneven, Brittle
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Splintery
2.6 Cleavage
On {10 1 1} perfect; parting on {10 1 2}
{100} Distinct, {110} Distinct
2.7 Mohs Hardness
2.8 Chemical Composition
MnCO3
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Transparent, Opaque, Transparent to nearly opaque
Gemmological Tables (2004) More from other references
3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.208-0.2200.006-0.037
0
0.296
3.9 Clarity
Transparent to nearly opaque
TransparentUlrich Henn and Claudio C. Milisenda
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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