Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Southern and central Africa
Color
Blue, Violet, Colorless, Red, Green, Brown
Brown, Red, Blue, Yellow, orange
Streak
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
3.64-3.662.60-2.64
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, Splintery, Conchoidal
Cleavage
None, but may exhibit slight parting
Absent
Mohs Hardness
86.5-7
2
10
👆🏻
Chemical Composition
MgAl2O4
SiO 2Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Waxy, Vitreous, Greasy, Silky
Pleochroism
Absent
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Translucent
Refractive Index
1.731.530-1.543
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Trigonal
Birefringence
-99990.003-0.009
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Aids in digestion and nutrient absorption
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Protection