Origin
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Southern and central Africa, Burma, Tanzania, India, Sri Lanka
Color
Greenish, Green, Brownish, Red, Blue, Brown, gray
Yellow, White, Green, Brown, Greenish, gray
Streak
White
Grey, gray
For which Rashi?
-
-
Planet
-
-
Element of Planets
Earth, Water
-
Energy
-
-
How to Wear?
Finger
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
Healing
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.69-3.813.20-3.25
1
7.18
👆🏻
Fracture
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Uneven, Conchoidal
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
Good/distinct on [210]
Mohs Hardness
8.55.5
2
10
👆🏻
Chemical Composition
BeAl 2 O 4
Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
X = red; Y = yellow-orange; Z = emerald-green
Pale green to pale orange
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
Refractive Index
1.746-1.7631.650-1.680
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.007-0.0130.009-0.011
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Grounding
Healing
Physical healing
Emotional healing
Qualities Associated
Transformation
Grounding