Origin
Sri Lanka
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
Color
Red, Blue, Green, Brown, Black
Yellow, Brown, Colorless, White, gray, Brownish
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.63-3.92.97-3.03
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Indistinct
{001} Poor
Mohs Hardness
7.5-87
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Greasy
Pleochroism
Absent
Weak: pale yellow yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.770-1.7801.627-1.639
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.006
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Spiritual Awareness
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Spiritual Awakening