Origin
Southern and central Africa
Southern and central Africa
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Colorless, Brown, Greenish, gray
Streak
-
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.55-2.702.62-2.67
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
None
From the Greek, oligos and kasein, little cleavage.
Mohs Hardness
6.5-76-6.5
2
10
👆🏻
Chemical Composition
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Waxy
Vitreous
Pleochroism
-
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.530-1.5431.538-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
0.003-0.0090.010
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Peace
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Harmony