1 Astrology
1.1 Origin
Italy
Canada, Russia, Brazil
1.2 Color
Blue, Green
Brown, Red, Red, Yellow, Brown, Violet
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
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1.9 Deities
Not Available
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1.10 Not to wear with
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Effervesces in cold
H 2 SO 4
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Splintery
Uneven, UnevenArthur Thomas, Gemstones (2009)
2.6 Cleavage
Perfect on {100} and {010}
Distinct on {0001} imperfect on {11 2 0}
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
Weak: O= colorless
3.3 Dispersion
3.4 Transparency
Not Available
Translucent
3.5 Refractive Index
1.672-1.6881.591-1.633
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.139-0.1430.003-0.010
0
0.296
3.9 Clarity
Not Available
Translucent
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
Not Available
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4.1.5 Digestive
Not Available
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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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