Origin
Canada, USA, Mexico, Madagascar, Australia, Not Available, Finland, India, Russia, Yellow, blue, Orange
Australia, Canada
Color
Violet, Colorless, gray, White, Green
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
White
Not Available
For which Rashi?
Aquarius
Not Available
Planet
Not Available
Not Available
Element of Planets
Water
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Isis
Not Available
Not to wear with
Not Available
Not Available
Powers
Protection, Psychic Power
Not Available
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.69-2.72
1.98-2.50
Fracture
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Conchoidal, Conchoidal, Gemstones of the world (2001)
Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Not Available
Mohs Hardness
6-6.5
5.5-6.5
Chemical Composition
(Na,Ca)1-2Si3-2O8
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Luster
Vitreous, Pearly
Not Available
Pleochroism
From the Congo
AbsentWalter Schumann
Transparency
Transparent, Translucent, Transparent to translucent
Translucent
Refractive Index
1.554-1.573
1.37-1.52
Optic Character
Not Available
Not Available
Crystal System
Triclinic
Not Available
Birefringence
0.008-0.010
Not Available
Clarity
Transparent
Translucent
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