Origin
Switzerland
Kazakhstan
Color
Brown, Brownish, Yellow, Black, Reddish
Green, Blue
Streak
White, gray
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
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
3.7-3.83.25-3.35
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal, ConchoidalWalter Schumann
Cleavage
Distinct on {010}
Perfect in three directions
Mohs Hardness
7-7.55
2
10
👆🏻
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Resinous
Vitreous
Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
Weak; dark emerald green
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
-
TranslucentHerve Nicolas Lazzarelli
Refractive Index
1.736-1.7621.644-1.720
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal
Birefringence
0.009-0.0150.051-0.053
0
0.296
👆🏻
Clarity
-
TranslucentHerve Nicolas Lazzarelli
Physical
Neurological
Enhances mental clarity and focus
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Emotional Healing
Healing
Physical healing
Emotional healing
Qualities Associated
Protection
Emotional Healing