Origin
Switzerland
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Color
Brown, Brownish, Yellow, Black, Reddish
Greenish, Green, Brownish, Red, Blue, Brown, gray
Streak
White, gray
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
Earth, Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.7-3.83.69-3.81
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Cleavage
Distinct on {010}
Distinct on {110}, imperfect on {010}, poor on {001}
Mohs Hardness
7-7.58.5
2
10
👆🏻
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
BeAl 2 O 4
Luster
Resinous
Vitreous
Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
X = red; Y = yellow-orange; Z = emerald-green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent, Transparent to translucent
Refractive Index
1.736-1.7621.746-1.763
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
monoclinic
Orthorhombic
Birefringence
0.009-0.0150.007-0.013
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Transformation
Healing
Physical healing
Physical healing
Qualities Associated
Protection
Transformation