Origin
Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA
Sri Lanka
Color
Red, Brown, Brownish, Black
Red, Blue, Green, Brown, Black
Streak
White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.95-4.303.63-3.9
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
none
Indistinct
Mohs Hardness
7-7.57.5-8
2
10
👆🏻
Chemical Composition
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Luster
Greasy, Vitreous
Vitreous
Pleochroism
None
Absent
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.770-1.8201.770-1.780
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
Isometric
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
Supports reproductive health
-
Digestive
-
-
Psychology
Strength
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Devotion
Emotional Healing