Origin
Australia
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Color
Red
Green, Brown, Colorless, Greenish, Yellow
Streak
White, Colorless
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
3.13.25-3.45
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal, Uneven
Cleavage
Perfect {010} imperfect {100}
Good on {110}
Mohs Hardness
6-76.5
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)3(OH)
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Present
X = colorless to green; Y = colorless
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
-
Refractive Index
1.6951.660-1.685
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.006-0.0180.012-0.017
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Healing
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Love
Self-worth