Origin
Canada
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
Brown, Reddish, Black, Brownish
Blue, Violet, Colorless, Red, Green, Brown
Streak
Brown
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
3.77-3.933.64-3.66
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
None
None, but may exhibit slight parting
Mohs Hardness
7-7.58
2
10
👆🏻
Chemical Composition
Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
MgAl2O4
Luster
Vitreous
Vitreous
Pleochroism
-
Absent
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.94-1.981.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Isometric
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Revitalization
Healing
Emotional healing
Emotional healing
Qualities Associated
Grounding & Transformation
Vitality