1 Astrology
1.1 Origin
1.2 Color
White, Green, Blue, Yellow, Brownish, Red, Blue, gray, Yellow, White
Green, Red, Blue, 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
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1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
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1.8 Energy
Not Available
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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
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Irregular
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal
2.6 Cleavage
Perfect on {0001}
{0001} Poor
2.7 Mohs Hardness
2.8 Chemical Composition
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous
3.2 Pleochroism
Not Available
Strong: dark brown light brownAnthony et al
3.3 Dispersion
3.4 Transparency
TransparentMichael OâDonoghue, Gems, Sixth Edition (2006)
Transparent
3.5 Refractive Index
1.56-1.60Not Available
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.010-0.020Not Available
0
0.296
3.9 Clarity
TransparentMichael OâDonoghue
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
Not Available
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