Origin
-
Switzerland
Color
Brown, Blue, Green, Yellow, White
Brown, Brownish, Yellow, Black, Reddish
Streak
White
White, gray
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
-
-
Durability
-
-
Specific Gravity
3.32-3.433.7-3.8
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
Poor on {110} and {100} very poor on {001}
Distinct on {010}
Mohs Hardness
6-77-7.5
2
10
👆🏻
Chemical Composition
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Luster
Vitreous, Resinous
Resinous
Pleochroism
slight in colored varieties
X = colorless; Y = pale yellow; Z = golden yellow
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.703-1.7521.736-1.762
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
monoclinic
Birefringence
0.004-0.0060.009-0.015
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Protection
Healing
Emotional healing
Physical healing
Qualities Associated
Transformation
Protection