Origin
Australia
Italy
Color
Colorless, White, Brownish, Yellow, Brown
Blue, Green
Streak
White
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
-99994-4.2
1
7.18
👆🏻
Fracture
Conchoidal
Splintery
Cleavage
None
Perfect on {100} and {010}
Mohs Hardness
7-7.54
2
10
👆🏻
Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
CuZn(CO3)(OH)2
Luster
Adamantine
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
-
-
Refractive Index
1.994-2.0401.672-1.688
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
monoclinic
Birefringence
0.0460.139-0.143
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Emotional Healing
Healing
Physical healing
Emotional healing
Qualities Associated
-
Communication