1 Astrology
1.1 Origin
Southern and central Africa
Not Available
1.2 Color
Colorless, Greenish, Colorless, Green, gray, Yellow
Not Available
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
1.2 Energy
Not Available
Not Available
1.3 How to Wear?
1.4.1 Finger
Not Available
Not Available
1.4.2 Ring Metal
Not Available
Not Available
1.6 Deities
Not Available
Not Available
1.8 Not to wear with
Not Available
Not Available
1.10 Powers
Not Available
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.14.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.4 Solubility
Not Available
Not Available
2.6 Durability
Not Available
Not Available
2.7 Specific Gravity
3.21-3.384.30-5.10
1
7.18
3.5 Fracture
Irregular/uneven, Uneven
Not Available
3.6 Cleavage
Perfect on {001}
Not Available
3.7 Mohs Hardness
3.14 Chemical Composition
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
YPO 4Ulrich Henn and Claudio C.
4 Optical Properties
4.1 Luster
4.4 Pleochroism
StrongArthur Thomas
Not Available
5.4 Dispersion
7.3 Transparency
Transparent
Gemmological Tables (2004)
7.5 Refractive Index
1.670-1.7341.720-1.827
1
3.25
8.8 Optic Character
Not Available
Not Available
8.9 Crystal System
8.11 Birefringence
10.5 Clarity
Transparent
Gemmological Tables (2004)
11 Benefits
11.1 Physical
11.1.1 Neurological
Not Available
Not Available
11.1.2 Cardiovascular
Not Available
Not Available
11.1.3 Respiratory
Not Available
Not Available
11.1.4 Reproductive
Not Available
Not Available
11.1.5 Digestive
Not Available
Not Available
11.2 Psychology
Not Available
Not Available
11.3 Healing
Not Available
Not Available
11.4 Qualities Associated
Not Available
Not Available