Origin
USA, Southern and central Africa, China, India, Italy
Afghanistan, Southern and central Africa
Color
White, Yellow
Blue, Greenish, Violet
Streak
-
Blue, White
For which Rashi?
Gemini
-
Planet
Saturn
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
Healing
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
2.44-2.622.75
1
7.18
👆🏻
Fracture
Uneven
Uneven, Conchoidal
Cleavage
Indiscernible
Imperfect on {110}
Mohs Hardness
2.5-5.55.5
2
10
👆🏻
Chemical Composition
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Luster
Vitreous, Greasy, Silky
Vitreous
Pleochroism
-
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.560-1.5711.500
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Isometric
Birefringence
0.008-0.014-9999
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
Aids in mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Clarity