1 Astrology
1.1 Origin
Not Available, Southern and central Africa
Canada, Russia, Kenya, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Norway, Brazil
1.2 Color
Blue
Green, Greenish, Black, Green, Greenish, Black, Green, Greenish, Black, Reddish, Brown, Black, Green, Greenish, Black, Reddish, Brown, Black, Green, Greenish, Black, Reddish, Brown, Black
1.3 Streak
Not Available
Yellow, Yellowish-grey, gray
1.4 For which Rashi?
Capricorn, Scorpio
Pisces
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
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.70-3.953.50-3.60
1
7.18
2.5 Fracture
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
2.6 Cleavage
1,1 basal.
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
2.7 Mohs Hardness
2.8 Chemical Composition
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous, Silky
Vitreous, Resinous
3.2 Pleochroism
AbsentWalter Schumann
X = emerald green
3.3 Dispersion
3.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.655-1.9091.720-1.778
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.108-0.2540.037-0.061
0
0.296
3.9 Clarity
Translucent
Gemmological Tables (2004) More from other references
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available