Origin
Switzerland
Canada, Russia, Kenya, Brazil, Norway
Color
Brown, Brownish, Yellow, Black, Reddish
Green, Greenish, Black, Reddish, Brown
Streak
White, gray
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
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.7-3.83.50-3.60
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven
Cleavage
Distinct on {010}
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
Mohs Hardness
7-7.56
2
10
👆🏻
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Luster
Resinous
Vitreous, Resinous
Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
Emerald green
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.736-1.7621.720-1.778
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.009-0.0150.037-0.061
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Supports heart health
Reproductive
-
Supports heart health
Digestive
-
Supports heart health
Psychology
Protection
Protection
Healing
Physical healing
Physical healing
Qualities Associated
Protection
Protection