Origin
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Canada, Pakistan
Color
Greenish, Green, Brownish, Red, Blue, Brown, gray
Reddish, Greenish, White, Red, Yellow, Green, Grey, Blue, Brown, Colorless, gray, orange
Streak
White
White
For which Rashi?
-
Virgo, Capricorn
Planet
-
-
Element of Planets
Earth, Water
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
Healing
Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
Dilute acid
Durability
-
-
Specific Gravity
3.69-3.812.93-2.96
1
7.18
👆🏻
Fracture
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Subconchoidal, Conchoidal
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
8.53.5-4
2
10
👆🏻
Chemical Composition
BeAl 2 O 4
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Resinous
Pleochroism
X = red; Y = yellow-orange; Z = emerald-green
StrongArthur Thomas
Dispersion
0.020.17
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
Refractive Index
1.746-1.7631.525-1.686
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.007-0.0130.155
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Promotes focus and concentration
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Stability
Healing
Physical healing
Emotional healing
Qualities Associated
Transformation
Centering