Astrology
Origin
Not Available
Not Available
Color
Black, Blue, Yellow, Green
Yellow, Violet, Green, Brown, White, gray, Greenish
Streak
Grey, Greenish, Brown
White
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Birthstone
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Physical Properties
Tenacity
Brittle
Elastic
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.28-3.44
2.9-3.1
Fracture
Uneven, Splintery, Brittle
Uneven
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Perfect basal {001}
Mohs Hardness
5.0-6.0
3.5-4.0
Chemical Composition
Not Available
Not Available
Optical Properties
Luster
Vitreous, Silky
Pearly, Vitreous
Pleochroism
X = blue
Distinct
Dispersion
Not Available
Not Available
Transparency
Not Available
Not Available
Refractive Index
1.680-1.698
1.565-1.625
Optic Character
Not Available
Not Available
Crystal System
monoclinic
monoclinic
Birefringence
0.005-0.008
0.040-0.050
Clarity
Not Available
Not Available
Benefits
Physical
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available
