1 Astrology
1.1 Origin
Southern and central Africa
Canada
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Yellow, Reddish, Brown, Brownish, Green, gray, Colorless
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
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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
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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
2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.55-2.702.72-2.83
1
7.18
2.5 Fracture
Not Available
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
2.6 Cleavage
Not Available
Good on {100} and {110}
2.7 Mohs Hardness
2.8 Chemical Composition
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Weak; O = colorless to yellow; E = colorless to honey-yellow
3.3 Dispersion
3.4 Transparency
Translucent
Transparent, Translucent
3.5 Refractive Index
1.530-1.5431.610-1.647
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
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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