Astrology
Origin
Not Available
Tanzania, Yellow, green, Yellow, green
Color
Colorless, White, Brownish, Reddish, Black, Brownish, Black, Colorless, gray, White, Reddish, Brown
Blue
Streak
White
White, Colorless
For which Rashi?
Not Available
Sagittarius, Pisces, Virgo, Sagittarius, Pisces, Virgo, Sagittarius, Pisces, Virgo
Planet
Not Available
Not Available
Element of Planets
Not Available
Air, Water, Earth
Energy
Not Available
Receptive, Projective
How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Not Available
Goddess
Not to wear with
Not Available
Not Available
Powers
Not Available
Love, Healing
Birthstone
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Physical Properties
Tenacity
Brittle
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Hard
Specific Gravity
2.97
3.35
Fracture
Uneven
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
Cleavage
None observed
Perfect {010}, imperfect {100}
Mohs Hardness
2.5
6.5-7
Chemical Composition
Na 3AlF 6Ulrich Henn and Claudio C.
Ca2Al3(SiO4)3(OH)
Optical Properties
Luster
Vitreous, Greasy, Pearly
Vitreous
Pleochroism
colorless.
Present
Dispersion
Not Available
0.03
14
Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Transparent to translucent
Refractive Index
1.338-1.339
1.685-1.707
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Orthorhombic
Birefringence
0.001
0.006-0.018
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Benefits
Physical
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available
