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Bertrandite Vs Tanzanite


Tanzanite Vs Bertrandite


Astrology

Origin
Not Available, Southern and central Africa   
Tanzania, Yellow, green, Yellow, green   

Color
Colorless, Colorless, Yellow   
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   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Not Available   
Receptive, Projective   

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
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Hard   

Specific Gravity
2.59-2.60   
3.35   

Fracture
Brittle, Metallic, Brittle, Metallic   
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)   

Cleavage
{001} Perfect, {110} Distinct, {101} Distinct   
Perfect {010}, imperfect {100}   

Mohs Hardness
6-7   
6.5-7   

Chemical Composition
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)   
Ca2Al3(SiO4)3(OH)   

Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
none.   
Present   

Dispersion
Not Available   
0.03   
14

Transparency
TransparentAnthony et al, Handbook of mineralogy (2001)   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.583-1.614   
1.685-1.707   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21   
Orthorhombic   

Birefringence
Not Available   
0.006-0.018   

Clarity
TransparentAnthony et al   
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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Bertrandite Vs Tanzanite Fracture

Fracture is an important parameter when you compare Bertrandite and Tanzanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Bertrandite Vs Tanzanite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Bertrandite is Brittle, Brittle, Metallic and Metallic. Tanzanite fracture is Conchoidal, Gemstones of the world (2001), Uneven and UnevenWalter Schumann.

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Bertrandite Vs Tanzanite Luster

A primary knowledge about Bertrandite vs Tanzanite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Bertrandite exhibits Vitreous luster. Tanzanite, on other hand, exhibits Vitreous luster.

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Colorless Gems


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