1 Astrology
1.1 Origin
Sri Lanka
Southern and central Africa, green
1.2 Color
1.3 Streak
1.4 For which Rashi?
Sagittarius, Scorpio
Capricorn, Scorpio, Capricorn, Scorpio, Capricorn, Scorpio
1.5 Planet
1.6 Element of Planets
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
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
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
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.65-4.553.25-4.10
1
7.18
2.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Conchoidal, Gemstones (2009), Uneven
2.6 Cleavage
None, but may exhibit slight parting
Perfect on { 2 01} fair on {010}
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Cu2CO3(OH)2
3 Optical Properties
3.1 Luster
Vitreous
Adamantine, Vitreous, Silky, Fibrous
3.2 Pleochroism
AbsentWalter Schumann
Not Available
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004)
Opaque
3.5 Refractive Index
1.735-1.7901.655-1.909
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.254
0
0.296
2.5 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gemmological Tables (2004) More from other references
3 Benefits
3.1 Physical
3.1.1 Neurological
Not Available
Not Available
3.1.2 Cardiovascular
Not Available
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3.1.3 Respiratory
Not Available
Not Available
3.1.4 Reproductive
Not Available
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3.1.5 Digestive
Not Available
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3.2 Psychology
Not Available
Not Available
3.3 Healing
Not Available
Not Available
3.4 Qualities Associated
Not Available
Not Available