Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Canada, Russia
Color
Blue, Violet, Colorless, Red, Green, Brown
Black, Green, gray
Streak
White
gray, Green
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
3.64-3.663.3-3.5
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven
Cleavage
None, but may exhibit slight parting
Perfect on [110]
Mohs Hardness
85-6
2
10
👆🏻
Chemical Composition
MgAl2O4
NaNa2(Fe++4Fe+++)Si8O22(OH)2
Luster
Vitreous
Vitreous
Pleochroism
Absent
Strong: Blue-greens
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
-
Refractive Index
1.731.652-1.699
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
monoclinic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
-
Promotes psychic abilities and spiritual growth
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
Insight
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Manifestation