Origin
USA, Southern and central Africa, China, India, Italy
Italy
Color
White, Yellow
Blue, Green
Streak
-
Blue, Green
For which Rashi?
Gemini
-
Planet
Saturn
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
Healing
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
Effervesces in cold
Durability
-
-
Specific Gravity
2.44-2.624-4.2
1
7.18
👆🏻
Fracture
Uneven
Splintery
Cleavage
Indiscernible
Perfect on {100} and {010}
Mohs Hardness
2.5-5.54
2
10
👆🏻
Chemical Composition
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
CuZn(CO3)(OH)2
Luster
Vitreous, Greasy, Silky
Silky, Vitreous
Pleochroism
-
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.560-1.5711.672-1.688
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.008-0.0140.139-0.143
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Communication