Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
-
Color
Blue, Violet, Colorless, Red, Green, Brown
Brown, Colorless, Brownish, Black, Green, Greenish
Streak
White
White
For which Rashi?
Sagittarius, Scorpio
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Planet
Pluto
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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
3.64-3.665.5-6.0
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
None, but may exhibit slight parting
{001} Distinct
Mohs Hardness
86.5
2
10
👆🏻
Chemical Composition
MgAl2O4
ZrO 2Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Adamantine
Pleochroism
Absent
DistinctArthur Thomas
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.732.13-2.20
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c
Birefringence
-99990.07
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Revitalization
-
Healing
Emotional healing
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Qualities Associated
Vitality
-