1 Astrology
1.1 Origin
India, China
Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France
1.2 Color
Blue, Yellow, Brown, gray, Reddish, Greenish
Green, Colorless, gray, Yellow, White
1.3 Streak
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
polyatomic nonmetal
Earth
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
Not Available
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
Not Available2.80-2.95
1
7.18
2.5 Fracture
(e.g. graphite).
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
2.6 Cleavage
{???} Imperfect, {???} Imperfect
Distinct on [001]
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
Ca2Al2Si3O12(OH)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Not Available
Translucent
3.5 Refractive Index
Not Available1.611-1.673
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Orthorhombic
Orthorhombic
3.8 Birefringence
Not Available0.021-0.033
0
0.296
3.9 Clarity
Not Available
TranslucentHerve Nicolas Lazzarelli
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