1 Astrology
1.1 Origin
Afghanistan, China, Madagascar, Southern and central Africa, Pakistan, Sri Lanka, USA
Italy
1.2 Color
Red, Reddish, orange, Brown
Yellow, orange, Red
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
4.12-4.183.355-3.433
1
7.18
2.5 Fracture
ConchoidalArthur Thomas, Conchoidal, Brittle
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
2.6 Cleavage
{???} Distinct
{???} Good, {???} Good
2.7 Mohs Hardness
2.8 Chemical Composition
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
In thick sections
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
3.5 Refractive Index
1.789-1.8201.690-1.705
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.027Not Available
0
0.296
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
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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