1 Astrology
1.1 Origin
Tanzania, Sri Lanka, China
Canada, Columbia, Brazil, Burma, Russia, blue
1.2 Color
Colorless
Blue, White, pink, gray, Green
1.3 Streak
1.4 For which Rashi?
Not Available
Sagittarius
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
Not Available
Not Available
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
3.60-3.612.15-2.40
1
7.18
2.5 Fracture
Conchoidal
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
2.6 Cleavage
Imperfect/fair/absent
Poor on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Na8Al6Si6O24Cl2
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Weak
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Opaque
3.5 Refractive Index
1.70-1.731.478-1.488
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.055Not Available
0
0.296
3.9 Clarity
Color grading system
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
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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