Origin
Switzerland
USA
Color
Brown, Brownish, Yellow, Black, Reddish
Brown, Red, Black, Brownish
Streak
White, gray
Reddish, Brown
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
3.7-3.85.05-5.22
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven
Cleavage
Distinct on {010}
None
Mohs Hardness
7-7.55.5-6
2
10
👆🏻
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Luster
Resinous
-
Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
-
Dispersion
0.020.19
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.736-1.762-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Birefringence
0.009-0.015-9999
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
-
-
Psychology
Protection
Creativity
Healing
Physical healing
-
Qualities Associated
Protection
Grounding