Origin
Pakistan, Tanzania
Mexico, Thailand, Italy, Austria
Color
Brown, gray, Green, Blue, rose, Red
Green, Brown, Colorless, Greenish, gray, Yellow, White
Streak
White, Colorless
White
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
-
Soluble
Durability
-
-
Specific Gravity
3.20-3.503.30-3.50
1
7.18
👆🏻
Fracture
Uneven, Conchoidal, Even
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Perfect {010} imperfect {100}
Perfect on {110}, poor on {101}, {001} rare
Mohs Hardness
6-75
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)3(OH)
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Adamantine, Silky
Pleochroism
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, Opaque . May be translucent in thin backlit sections.
Transparent, Translucent
Refractive Index
1.685-1.7071.614-1.636
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.006-0.0180.022
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Excellent
Good
Reproductive
Supports reproductive health
-
Digestive
-
-
Psychology
Transformation
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
-
Inner Peace