Origin
Afghanistan, Italy
Brazil, Southern and central Africa, Sri Lanka
Color
Blue, Colorless
Red, gray
Streak
White
Red, Black
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
-
Insoluble in acids
Durability
-
-
Specific Gravity
2.55-2.654.20-4.30
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
Perfect {10 1 0}
{110} good, 100 moderate, parting on {092} and {011}
Mohs Hardness
5.5-66-6.5
2
10
👆🏻
Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Adamantine
Pleochroism
-
Weak to distinct brownish red-green-yellow
Dispersion
0.020.33
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.5232.609-2.903
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
tetragonal
Birefringence
0.0060.296
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Clarity
Healing
Emotional healing
Physical healing
Qualities Associated
Communication
Awareness