Origin
-
Canada, Russia, Kenya, Brazil, Norway
Color
Blue, Green
Green, Greenish, Black, Reddish, Brown
Streak
Blue
Yellow, Yellowish-grey, gray
For which Rashi?
-
Pisces
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.80-4.153.50-3.60
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
perfect along [010] and [100]
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
Mohs Hardness
3.5-46
2
10
👆🏻
Chemical Composition
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Luster
Silky
Vitreous, Resinous
Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
Emerald green
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.752-1.8151.720-1.778
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.0630.037-0.061
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Supports heart health
Reproductive
-
Supports heart health
Digestive
-
Supports heart health
Psychology
Communication
Protection
Healing
Emotional healing
Physical healing
Qualities Associated
Communication
Protection