Origin
Canada
Italy
Color
Brown, Reddish, Black, Brownish
Blue, Green
Streak
Brown
Blue, Green
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
Effervesces in cold
Durability
-
-
Specific Gravity
3.77-3.934-4.2
1
7.18
👆🏻
Fracture
Conchoidal
Splintery
Cleavage
None
Perfect on {100} and {010}
Mohs Hardness
7-7.54
2
10
👆🏻
Chemical Composition
Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CuZn(CO3)(OH)2
Luster
Vitreous
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
0.020.03
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.94-1.981.672-1.688
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
monoclinic
Birefringence
-99990.139-0.143
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Grounding & Transformation
Communication