Origin
Sri Lanka
Southern and central Africa
Color
Red, Blue, Green, Brown, Black
Colorless, Yellow, White
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
-
Partially soluble in water
Durability
-
-
Specific Gravity
3.63-3.91.77
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
-
Cleavage
Indistinct
Perfect on {10 1 0}
Mohs Hardness
7.5-82-2.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous
Pleochroism
Absent
-
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.770-1.7801.470-1.491
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Trigonal
Birefringence
-99990.021
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Adaptability
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Balance