1 Astrology
1.1 Origin
Sri Lanka
Afghanistan, Southern and central Africa, California
1.2 Color
Red, Brown, Black
Violet, Colorless, gray, White
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Not Available
Jupiter, Neptune
1.6 Element of Planets
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
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
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2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.97-3.142.80-2.90
1
7.18
2.5 Fracture
Uneven, Conchoidal, Brittle
Uneven, UnevenArthur Thomas, Gemstones (2009)
2.6 Cleavage
{1011} Indistinct
{001} perfect
2.7 Mohs Hardness
2.8 Chemical Composition
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Pearly
3.2 Pleochroism
Pale yellow colorlessAnthony et al
X = almost colorless; Y = Z = pink
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.614-1.6661.525-1.587
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.014-0.0320.0290-0.0380
0
0.296
3.9 Clarity
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
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