Origin
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Pakistan, Tanzania
Color
Greenish, Green, Brownish, Red, Blue, Brown, gray
Brown, gray, Green, Blue, rose, Red
Streak
White
White, Colorless
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
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.69-3.813.20-3.50
1
7.18
👆🏻
Fracture
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Uneven, Conchoidal, Even
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
Perfect {010} imperfect {100}
Mohs Hardness
8.56-7
2
10
👆🏻
Chemical Composition
BeAl 2 O 4
Ca2Al3(SiO4)3(OH)
Luster
Vitreous
Vitreous
Pleochroism
X = red; Y = yellow-orange; Z = emerald-green
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Refractive Index
1.746-1.7631.685-1.707
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.007-0.0130.006-0.018
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Transformation
Transformation
Healing
Physical healing
Emotional healing
Qualities Associated
Transformation
-