Origin
USA
Tanzania, Sri Lanka, China
Color
Black, Red, Brown
Colorless
Streak
Brown, Red
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
3.19-3.233.60-3.61
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
{110} good
Imperfect/fair/absent
Mohs Hardness
5-68-8.5
2
10
👆🏻
Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous
Pleochroism
x=yellow-orange
Weak
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.692-1.7341.70-1.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
0.0294-0.04520.055
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
-
-
Psychology
Passion
Transformation
Healing
Emotional healing
Physical healing
Qualities Associated
Transformation
Spiritual Growth