Origin
Sri Lanka, Southern and central Africa
USA
Color
Blue
Brown, Red, Black, Brownish
Streak
-
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.95-4.105.05-5.22
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
None
None
Mohs Hardness
95.5-6
2
10
👆🏻
Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Luster
-
-
Pleochroism
-
-
Dispersion
0.020.19
0.005
1
👆🏻
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.757-1.780-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Birefringence
0.007-0.010-9999
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Creativity
Healing
Emotional healing
-
Qualities Associated
Creativity
Grounding