Origin
Sri Lanka
Mexico
Color
Red, Blue, Green, Brown, Black
Yellow, Brownish, Reddish, White, Colorless, Blue, Green, Violet, pink
Streak
White
White, Green
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.63-3.94.32-4.48
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, Subconchoidal, Conchoidal
Cleavage
Indistinct
{101}, good; {010}, poor
Mohs Hardness
7.5-83.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Luster
Vitreous
Vitreous
Pleochroism
Absent
-
Dispersion
0.020.06
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.770-1.7801.708-1.722
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.031-0.050
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Joy
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Joy