Origin
Pakistan, Tanzania
Turkey
Color
Brown, gray, Green, Blue, rose, Red
Colorless, White, Yellow, Greenish, gray, Brown
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
-
Very brittle
Solubility
-
insoluble
Durability
-
-
Specific Gravity
3.20-3.503.30-3.40
1
7.18
👆🏻
Fracture
Uneven, Conchoidal, Even
Conchoidal
Cleavage
Perfect {010} imperfect {100}
{010} perfect, {110} distinct, {100} in traces
Mohs Hardness
6-76.5-7
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)3(OH)
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Pearly
Pleochroism
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Strong
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Transparent
Refractive Index
1.685-1.7071.702-1.750
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.006-0.0180.048
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Excellent
-
Reproductive
Supports reproductive health
-
Digestive
-
-
Psychology
Transformation
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
-
Change