Origin
Southern and central Africa
Canada, Pakistan
Color
Brown, Colorless, Green
Reddish, Greenish, White, Red, Yellow, Green, Grey, Blue, Brown, Colorless, gray, orange
Streak
-
White
For which Rashi?
-
Virgo, Capricorn
Planet
-
-
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
Dilute acid
Durability
-
-
Specific Gravity
3.14-3.252.93-2.96
1
7.18
👆🏻
Fracture
-
Subconchoidal, Conchoidal
Cleavage
Perfect
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
6-73.5-4
2
10
👆🏻
Chemical Composition
Al 2SiO 5Arthur Thomas , Gemstones (2009)
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous, Resinous
Pleochroism
DistinctArthur Thomas
StrongArthur Thomas
Dispersion
0.020.17
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.658-1.6781.525-1.686
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
-99990.155
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Promotes focus and concentration
Cardiovascular
-
Supports heart health
Respiratory
-
Poor
Reproductive
-
-
Digestive
Aids in digestion and nutrient absorption
-
Psychology
Focus
Stability
Healing
Emotional healing
Emotional healing
Qualities Associated
-
Centering