Origin
Switzerland
Pakistan, Tanzania
Color
Brown, Brownish, Yellow, Black, Reddish
Brown, gray, Green, Blue, rose, Red
Streak
White, gray
White, Colorless
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
3.7-3.83.20-3.50
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven, Conchoidal, Even
Cleavage
Distinct on {010}
Perfect {010} imperfect {100}
Mohs Hardness
7-7.56-7
2
10
👆🏻
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Ca2Al3(SiO4)3(OH)
Luster
Resinous
Vitreous
Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Refractive Index
1.736-1.7621.685-1.707
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.009-0.0150.006-0.018
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
-
Supports heart health
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Protection
Transformation
Healing
Physical healing
Emotional healing
Qualities Associated
Protection
-