Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Italy, China
Color
Blue, Violet, Colorless, Red, Green, Brown
Colorless, White, Blue, gray
Streak
White
White
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.64-3.663.09
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven
Cleavage
None, but may exhibit slight parting
Perfect on {100} and {010}, imperfect on {101}
Mohs Hardness
88
2
10
👆🏻
Chemical Composition
MgAl2O4
CaAl2Si2O7(OH)2.H2O
Luster
Vitreous
Vitreous, Greasy
Pleochroism
Absent
Weak
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
-
Refractive Index
1.731.672-1.676
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.019-0.021
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
-