Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Pakistan, Tanzania
Color
Blue, Violet, Colorless, Red, Green, Brown
Brown, gray, Green, Blue, rose, Red
Streak
White
White, Colorless
For which Rashi?
Sagittarius, Scorpio
-
Planet
Pluto
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Hephaestus
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Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.64-3.663.20-3.50
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, Conchoidal, Even
Cleavage
None, but may exhibit slight parting
Perfect {010} imperfect {100}
Mohs Hardness
86-7
2
10
👆🏻
Chemical Composition
MgAl2O4
Ca2Al3(SiO4)3(OH)
Luster
Vitreous
Vitreous
Pleochroism
Absent
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Refractive Index
1.731.685-1.707
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.006-0.018
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Revitalization
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
-