Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Switzerland
Color
Blue, Violet, Colorless, Red, Green, Brown
Colorless, Yellow, Blue, Reddish, Black, Brown, 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
3.64-3.663.82-3.97
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Subconchoidal, Conchoidal
Cleavage
None, but may exhibit slight parting
Perfect on [001] and [011]
Mohs Hardness
85.5-6
2
10
👆🏻
Chemical Composition
MgAl2O4
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
Absent
Weak
Dispersion
0.020.21
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.732.488-2.562
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
tetragonal
Birefringence
-99990.073
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
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-
Cardiovascular
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Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
-