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Nephrite
Nephrite

Poldervaartite
Poldervaartite



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Nephrite
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Poldervaartite

Nephrite and Poldervaartite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.10
Splintery, Granular
None
6-6.5
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
 
-
-
-
2.91
-
None
-9999
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Nephrite and Poldervaartite Chemical Formula

While comparing Nephrite and Poldervaartite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Nephrite and Poldervaartite chemical formula.

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Nephrite and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite Vs Poldervaartite during the identification of gemstone. Specific gravity of Nephrite is whereas that of Poldervaartite is .