Origin
Southern and central Africa
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
Colorless, Brown, Greenish, gray
Blue, Violet, Colorless, Red, Green, Brown
Streak
White
White
For which Rashi?
-
Sagittarius, Scorpio
Planet
-
Pluto
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Hephaestus
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.62-2.673.64-3.66
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Uneven
Cleavage
From the Greek, oligos and kasein, little cleavage.
None, but may exhibit slight parting
Mohs Hardness
6-6.58
2
10
👆🏻
Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
MgAl2O4
Luster
Vitreous
Vitreous
Pleochroism
-
Absent
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent, Transparent to translucent
Refractive Index
1.538-1.5501.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Isometric
Birefringence
0.010-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Revitalization
Healing
Emotional healing
Emotional healing
Qualities Associated
Harmony
Vitality