Astrology
Origin
Zimbabwe
Russia
Color
Violet, White, gray, Blue, Brown, Black
Violet, Brown
Streak
White
White
For which Rashi?
Cancer, Sagittarius
Sagittarius, Scorpio
Planet
Not Available
Jupiter, Neptune
Element of Planets
Water
Water, Earth, Air
Energy
Not Available
Not Available
How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Goddess Whope
Minerva
Not to wear with
Not Available
Not Available
Powers
Protection
Healing, Love, Protection
Birthstone
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.55-2.70
2.54-2.78
Fracture
Uneven, Splintery, Conchoidal
Conchoidal
Cleavage
Absent
Good in three directions
Mohs Hardness
6.5-7
5-6
Chemical Composition
SiO2
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Optical Properties
Luster
Vitreous
Pearly, Chatoyant
Pleochroism
Not Available
Not Available
Dispersion
None
Not Available
Transparency
Translucent, Translucent to opaque
Translucent
Refractive Index
1.530-1.543
1.545-1.560
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Triclinic
Birefringence
0.003-0.009
0.009
Clarity
Translucent
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
