1 Astrology
1.1 Origin
1.2 Color
Yellow, White, Brown, Brownish, Black
Greenish, White, White, gray, Greenish, Reddish, White, gray, Greenish, Green, gray, White, gray, Greenish, Green, gray
1.3 Streak
Brown, Yellow, White
White
1.4 For which Rashi?
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
1.10 Not to wear with
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1.11 Powers
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
2.3 Durability
Not Available
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2.4 Specific Gravity
3.06-3.252.60-2.65
1
7.18
2.5 Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
2.6 Cleavage
Poor/indistinct on {100}
Perfect on {001}, very good on {010}, imperfect on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Vitreous, Resinous
Vitreous, Pearly
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Transparent
Transparent, Translucent
3.5 Refractive Index
1.639-1.6721.525-1.542
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.027-0.0420.008-0.011
0
0.296
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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