Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Switzerland, Australia, Brazil
Color
Blue, Violet, Colorless, Red, Green, Brown
Yellow, Colorless, White, Brownish, Reddish
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.64-3.665.9-6.3
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal, Uneven
Cleavage
None, but may exhibit slight parting
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
84.5-5
2
10
👆🏻
Chemical Composition
MgAl2O4
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Adamantine
Pleochroism
Absent
Definite dichoric in yellow (yellow to orange-brown)
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Translucent, Transparent
Refractive Index
1.731.918-1.936
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
tetragonal
Birefringence
-99990.016
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
Awareness
Healing
Emotional healing
Physical healing
Qualities Associated
Vitality
Balance & Clarity