1 Astrology
1.1 Origin
Afghanistan, China, Madagascar, Southern and central Africa, Pakistan, Sri Lanka, USA
Australia
1.2 Color
Red, Reddish, orange, Brown
Yellow, Green, Blue
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
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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
Not Available
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1.9 Deities
Not Available
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1.10 Not to wear with
Not Available
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
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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
4.12-4.181.98-2.25
1
7.18
2.7 Fracture
ConchoidalArthur Thomas, Conchoidal, Brittle
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
2.8 Cleavage
{???} Distinct
Not Available
2.9 Mohs Hardness
2.13 Chemical Composition
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
SiO 2 · nH 2OGemdat.org , Management Team (2012)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
AbsentWalter Schumann
3.3 Dispersion
3.5 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
3.6 Refractive Index
1.789-1.8201.370-1.470
1
3.25
3.7 Optic Character
Not Available
Not Available
3.8 Crystal System
3.9 Birefringence
0.027Not Available
0
0.296
3.10 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available