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Tanzanite Vs Cryolite


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   

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