1 Astrology
1.1 Origin
Brazil, Kenya, Madagascar, Mozambique, Sri Lanka
India
1.2 Color
Red
Blue, Greenish, Greenish, Blue
1.3 Streak
Not Available
Blue, White
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
Not Available
Not Available
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
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
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Conchoidal
Brittle, Metallic, Brittle, Metallic
2.6 Cleavage
none, may show indistinct parting
Good on {010}
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe)3Al2Si3O12
Ca(VO)Si4O10•4(H2O)
3 Optical Properties
3.1 Luster
Greasy, Vitreous
Vitreous, Pearly
3.2 Pleochroism
None
Visible: X=Z= colorless Y= blue
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004)
Not Available
3.5 Refractive Index
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available
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