1 Astrology
1.1 Origin
1.3 Color
Green, Green, gray, Brown, Black
White, Colorless, Blue, pink
1.5 Streak
Greenish, White, Greenish, White
White
1.7 For which Rashi?
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1.9 Planet
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1.11 Element of Planets
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1.13 How to Wear?
1.13.1 Finger
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1.13.2 Ring Metal
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1.15 Energy
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1.16 Deities
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1.17 Not to wear with
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1.20 Powers
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1.21 Birthstone
1.22.1 Planetary
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1.24.2 Talisman
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
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3.2 Durability
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3.4 Specific Gravity
3.8 Fracture
Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)
Conchoidal, Conchoidal, Brittle
3.11 Cleavage
{001} Good
Perfect on {001}, good on {110}
3.12 Mohs Hardness
4.4 Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
5 Optical Properties
5.1 Luster
Waxy, Silky, Resinous, Greasy
Vitreous
5.2 Pleochroism
pale greenish yellow.
Weak
5.3 Dispersion
5.6 Transparency
Translucent
Gemmological Tables (2004) More from other references
5.7 Refractive Index
1.530-1.5751.517-1.521
1
3.25
5.11 Optic Character
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5.12 Crystal System
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
tetragonal
5.13 Birefringence
Not Available0.004
0
0.296
6.5 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
7 Benefits
7.1 Physical
7.1.1 Neurological
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7.1.2 Cardiovascular
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7.1.3 Respiratory
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7.1.4 Reproductive
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7.1.5 Digestive
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7.2 Psychology
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7.3 Healing
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7.4 Qualities Associated
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