Origin
Southern and central Africa
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Color
Brown, Red, Blue, Yellow, orange
Green, Brown, Colorless, Greenish, Yellow
Streak
-
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
2.60-2.643.25-3.45
1
7.18
👆🏻
Fracture
Uneven, Splintery, Conchoidal
Conchoidal, Uneven
Cleavage
Absent
Good on {110}
Mohs Hardness
6.5-76.5
2
10
👆🏻
Chemical Composition
SiO 2Arthur Thomas , Gemstones (2009)
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Waxy, Vitreous, Greasy, Silky
Vitreous
Pleochroism
-
X = colorless to green; Y = colorless
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.530-1.5431.660-1.685
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
0.003-0.0090.012-0.017
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Aids in digestion and nutrient absorption
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Self-worth