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Poldervaartite Vs Nephrite


Nephrite Vs Poldervaartite


Astrology

Origin
Southern and central Africa  
China, Canada  

Color
Colorless, White  
Green, Yellow, Brown, White, gray, Black  

Streak
White  
-  

For which Rashi?
-  
-  

Planet
-  
-  

Element of Planets
-  
-  

Energy
-  
-  

How to Wear?
  
  

Finger
-  
-  

Ring Metal
-  
-  

Deities
-  
-  

Not to wear with
-  
-  

Powers
-  
-  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
2.91  
2.90-3.10  

Fracture
-  
Splintery, Granular  

Cleavage
None  
None  

Mohs Hardness
-9999  
6-6.5  

Chemical Composition
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)  
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references  

Optical Properties

Luster
Vitreous  
Vitreous, Greasy  

Pleochroism
Weak: colorless light gray bluish grayAnthony et al  
None  

Dispersion
0.03  
99+
0.01  
99+

Transparency
Transparent  
Translucent  

Refractive Index
1.634-1.656  
1.600-1.627  

Optic Character
-  
-  

Crystal System
-  
monoclinic  

Birefringence
-9999  
0.027  

Clarity
Transparent  
Translucent  

Benefits

Physical
  
  

Neurological
-  
Aids in mental clarity and focus  

Cardiovascular
-  
-  

Respiratory
Good  
Good  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
-  
Emotional Balance  

Healing
Emotional healing  
Physical healing  

Qualities Associated
Creativity  
Healing  

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Poldervaartite Vs Nephrite Fracture

Fracture is an important parameter when you compare Poldervaartite and Nephrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Poldervaartite Vs Nephrite 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. Nephrite fracture is Splintery and Granular.

Compare Gems Found In Africa

Poldervaartite Vs Nephrite Luster

A primary knowledge about Poldervaartite vs Nephrite 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. Poldervaartite exhibits Vitreous luster. Nephrite, on other hand, exhibits Vitreous and Greasy luster.

Gems Found In Africa

Gems Found In Africa


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