Origin
Southern and central Africa
Southern and central Africa
Color
Colorless, White, gray, Brown, pink
Colorless, Brown, Greenish, gray
Streak
White
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
3.05-3.082.62-2.67
1
7.18
👆🏻
Fracture
Uneven, Irregular, Conchoidal
Uneven
Cleavage
None
From the Greek, oligos and kasein, little cleavage.
Mohs Hardness
6.56-6.5
2
10
👆🏻
Chemical Composition
Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous
Pleochroism
-
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Semitransparent
-
Refractive Index
-99991.538-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d
-
Birefringence
-99990.010
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
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Respiratory
Good
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Reproductive
-
-
Digestive
-
-
Psychology
Empathy
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Harmony