Origin
Sri Lanka
Southern and central Africa
Color
Red, Blue, Green, Brown, Black
Red, Blue, Green, Reddish, Brown
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
3.63-3.93.79-3.94
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Lamellar, Splintery
Cleavage
Indistinct
{100} Good, {001} Good, {010} Poor
Mohs Hardness
7.5-84
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
FeAs
Luster
Vitreous
Waxy
Pleochroism
Absent
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
TranslucentAnthony et al
Refractive Index
1.770-1.7801.670-1.734
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
-
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Transparent
TranslucentAnthony et al
Physical
Neurological
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-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
-
Healing
Emotional healing
-
Qualities Associated
Emotional Healing
Emotional Healing