Astrology
Origin
Not Available, Southern and central Africa
Australia, Canada, Italy, Kazakhstan, Russia, Switzerland, Turkey, USA, Guatemala
Color
Violet, Black
Green, Brown, gray
Streak
gray, White
Not Available
For which Rashi?
Not Available
Pisces, Libra, Gemini, Taurus, Aries
Planet
Not Available
Venus, Neptune
Element of Planets
Not Available
Water
Energy
Not Available
Receptive
How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Not Available
Freyja, Buddha
Not to wear with
Not Available
Not Available
Powers
Not Available
Prosperity
Birthstone
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.17
2.90-3.38
Fracture
Handbook of mineralogy (2001)
Gemstones of the world (2001), Difficult, Splintery
Cleavage
None
1 or 2,2 prismatic.
Mohs Hardness
7
6-7
Chemical Composition
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
Optical Properties
Luster
Vitreous
Vitreous
Pleochroism
Strong: pale lavender dark blueAnthony et al
AbsentWalter Schumann
Dispersion
Not Available
None
Transparency
TranslucentAnthony et al, Translucent
Translucent, Translucent to opaque
Refractive Index
Not Available
1.600-1.688
Optic Character
Not Available
Not Available
Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
monoclinic
Birefringence
Not Available
0.020-0.027
Clarity
TranslucentAnthony et al
Translucent
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
