Origin
China, South Africa
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Color
Yellow, Brown
Green, Brown, Colorless, Greenish, Yellow
Streak
-
White
For which Rashi?
Leo, Capricorn
-
Planet
-
-
Element of Planets
Earth
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Bast
-
Not to wear with
-
-
Powers
Protection
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.58-2.643.25-3.45
1
7.18
👆🏻
Fracture
-
Conchoidal, Uneven
Cleavage
Indiscernible
Good on {110}
Mohs Hardness
6.5-76.5
2
10
👆🏻
Chemical Composition
SiO2
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Silky
Vitreous
Pleochroism
-
X = colorless to green; Y = colorless
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Opaque
-
Refractive Index
1.534-1.5401.660-1.685
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
-99990.012-0.017
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Courage
Harmony
Healing
Physical healing
Emotional healing
Qualities Associated
Protection
Self-worth