1 Astrology
1.1 Origin
1.2 Color
Colorless, Yellow
Red, gray, Brown, pink
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
Not Available
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
Not Available
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
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
Slightly sectile
2.2 Solubility
Not Available
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, Uneven, Gemstones (2009), Brittle
2.6 Cleavage
{010} Distinct
Prismatic {10 1 0}, perfect
2.7 Mohs Hardness
2.8 Chemical Composition
Na 2Ca 2(CO 3) 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Yellow green grayUlrich Henn and Claudio C. Milisenda
NilArthur Thomas
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Translucent
3.5 Refractive Index
1.530-1.5692.905-3.25
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.039Not Available
0
0.296
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
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