Origin
Sri Lanka, Southern and central Africa
Mexico
Color
Blue
White, gray, Brownish, Yellow, Greenish
Streak
-
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
-
Sectile
Solubility
-
Soluble
Durability
-
-
Specific Gravity
3.95-4.106.13
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
None
Distinct on {001} and {110}, indistinct on {100}
Mohs Hardness
92-3
2
10
👆🏻
Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Adamantine
Pleochroism
-
Weakly pleochroic with O reddish and E greenish in thick sections.
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.757-1.7802.117-2.145
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
tetragonal
Birefringence
0.007-0.0100.027
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
-
Healing
Emotional healing
-
Qualities Associated
Creativity
Transformation