Origin
Southern and central Africa
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
Brownish, Red, orange
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
4.00-4.033.64-3.66
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Distinct
None, but may exhibit slight parting
Mohs Hardness
7.5-88
2
10
👆🏻
Chemical Composition
CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
MgAl2O4
Luster
-
Vitreous
Pleochroism
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
Absent
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent, Transparent to translucent
Refractive Index
1.787-1.8161.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Isometric
Birefringence
0.029-9999
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Revitalization
Healing
Physical healing
Emotional healing
Qualities Associated
Transformation
Vitality