1 Astrology
1.1 Origin
Not Available
Tanzania, Yellow, green, Yellow, green
1.2 Color
Colorless, White, Brownish, Reddish, Black, Brownish, Black, Colorless, gray, White, Reddish, Brown
Blue
1.3 Streak
1.4 For which Rashi?
Not Available
Sagittarius, Pisces, Virgo, Sagittarius, Pisces, Virgo, Sagittarius, Pisces, Virgo
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Air, Water, 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
Not Available
Receptive, Projective
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Love, Healing
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
2.4 Specific Gravity
2.5 Fracture
Uneven
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
None observed
Perfect {010}, imperfect {100}
2.7 Mohs Hardness
2.8 Chemical Composition
Na 3AlF 6Ulrich Henn and Claudio C.
Ca2Al3(SiO4)3(OH)
3 Optical Properties
3.1 Luster
Vitreous, Greasy, Pearly
Vitreous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
1.338-1.3391.685-1.707
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
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
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4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available