1 Astrology
1.1 Origin
USA, Southern and central Africa, green, blue, China, India, USA, Italy, green, blue, China, India, USA, Italy
Canada, USA, Mexico, Madagascar, Australia, Not Available, Finland, India, Russia, Yellow, blue, Orange
1.2 Color
White, Yellow
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
Healing
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
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.44-2.622.69-2.72
1
7.18
2.5 Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
Uneven, Conchoidal, Gems, Sixth Edition (2006)
2.6 Cleavage
Not Available
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
(Na,Ca)1-2Si3-2O8
3 Optical Properties
3.1 Luster
Vitreous, Greasy, Silky
Vitreous, Pearly
3.2 Pleochroism
AbsentWalter Schumann
From the Congo
3.3 Dispersion
3.4 Transparency
Translucent
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
1.560-1.5711.554-1.573
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.008-0.0140.008-0.010
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