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Piemontite
Piemontite

Nephrite
Nephrite



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Piemontite
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Nephrite

Piemontite and Nephrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
-9999
Uneven, Splintery
[001] good, [100] distinct
6-6.5
Ca2Al3(SiO4)(Si2O7)O(OH)
 
-
-
-
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

Piemontite and Nephrite Chemical Formula

While comparing Piemontite and Nephrite 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 Piemontite and Nephrite chemical formula.

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Piemontite and Nephrite Specific Gravity

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