Origin
Switzerland
Brazil
Color
Brown, Brownish, Yellow, Black, Reddish
White, Blue, Yellow, Brown, Green, Brownish, Greenish, gray
Streak
White, gray
White
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
3.7-3.82.65-2.90
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
-
Cleavage
Distinct on {010}
{001} Perfect
Mohs Hardness
7-7.5-9999
2
10
👆🏻
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Resinous
Pearly
Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
-
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.736-1.7621.534-1.601
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.009-0.0150.050
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
-
-
Respiratory
Good
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Reproductive
-
-
Digestive
-
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Psychology
Protection
-
Healing
Physical healing
-
Qualities Associated
Protection
Emotional Healing