Origin
Switzerland
USA, San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California
Color
Brown, Brownish, Yellow, Black, Reddish
Violet, Blue, Colorless, pink, White
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
-
Insoluble: HCl
Durability
-
-
Specific Gravity
3.7-3.83.61-3.68
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal
Cleavage
Distinct on {010}
[10 1 1] poor
Mohs Hardness
7-7.56-6.5
2
10
👆🏻
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Resinous
Vitreous
Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
O = colorless; E = purple
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.736-1.7621.757-1.804
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
0.009-0.0150.047
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Transformation
Healing
Physical healing
Emotional healing
Qualities Associated
Protection
Transformation