Origin
Canada, USA, Mexico, Madagascar, Australia, Finland, India, Russia
Kenya, Southern and central Africa
Color
Violet, Colorless, gray, White, Green
Green, Brown, Yellow, Red
Streak
White
-
For which Rashi?
Aquarius
-
Planet
-
-
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Isis
-
Not to wear with
-
-
Powers
Protection, Psychic Power
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.69-2.723.55-3.70
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
-
Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Perfect
Mohs Hardness
6-6.54-7
2
10
👆🏻
Chemical Composition
(Na,Ca)1-2Si3-2O8
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Luster
Vitreous, Pearly
Vitreous
Pleochroism
-
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.554-1.5731.710-1.735
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Triclinic
-
Birefringence
0.008-0.0100.012-0.033
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Magic
Tranquility