Origin
Pakistan, Tanzania
Southern and central Africa, Burma, Tanzania, India, Sri Lanka
Color
Brown, gray, Green, Blue, rose, Red
Yellow, White, Green, Brown, Greenish, gray
Streak
White, Colorless
Grey, gray
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
-
-
Durability
-
-
Specific Gravity
3.20-3.503.20-3.25
1
7.18
👆🏻
Fracture
Uneven, Conchoidal, Even
Uneven, Conchoidal
Cleavage
Perfect {010} imperfect {100}
Good/distinct on [210]
Mohs Hardness
6-75.5
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)3(OH)
Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Pale green to pale orange
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Transparent, Translucent
Refractive Index
1.685-1.7071.650-1.680
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.006-0.0180.009-0.011
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Excellent
-
Reproductive
Supports reproductive health
-
Digestive
-
-
Psychology
Transformation
Grounding
Healing
Emotional healing
Emotional healing
Qualities Associated
-
Grounding