1 Astrology
1.1 Origin
Canada, Columbia, Brazil, Burma, Russia, blue
Canada, USA, Mexico, Madagascar, Australia, Not Available, Finland, India, Russia, Yellow, blue, Orange
1.2 Color
Blue, White, pink, gray, Green
Violet, Colorless, gray, White, Green
1.3 Streak
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Protection, Psychic Power
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.15-2.402.69-2.72
1
7.18
2.5 Fracture
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
Uneven, Conchoidal, Gems, Sixth Edition (2006)
2.6 Cleavage
Poor on {110}
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
Na8Al6Si6O24Cl2
(Na,Ca)1-2Si3-2O8
3 Optical Properties
3.1 Luster
3.2 Pleochroism
AbsentWalter Schumann
From the Congo
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Opaque
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
1.478-1.4881.554-1.573
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.008-0.010
0
0.296
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available