Origin
Southern and central Africa
Australia, Italy
Color
Blue, Grey
Yellow, Red, Reddish, Brown, Colorless, White, gray
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
-
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
2.58-2.642.6-2.9
1
7.18
👆🏻
Fracture
-
Conchoidal, Uneven
Cleavage
-
On {0001}, perfect
Mohs Hardness
73.5-4
2
10
👆🏻
Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
KAl3(SO4)2(OH)6
Luster
-
Vitreous, Pearly
Pleochroism
-
-
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.534-1.5401.572
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Trigonal
Birefringence
-99990.020
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
-
-
Cardiovascular
Aids in digestion and soothes the stomach
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Stability
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Stability