Villiaumite and Nephrite Physical Properties

Villiaumite

Nephrite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.792.90-3.10

1 7.18

1.5 Fracture

Brittle, Metallic

Splintery, Granular, Splintery, Granular, Gemstones (2009)

1.6 Cleavage

{100} Perfect, {010} Perfect, {001} Perfect

Not Available

1.7 Mohs Hardness

26-6.5

2 10

1.8 Chemical Composition

NaFUlrich Henn and Claudio C.

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Villiaumite and Nephrite Chemical Formula

While comparing Villiaumite 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 Villiaumite and Nephrite chemical formula.

Chemical formula of Villiaumite- NaFUlrich Henn and Claudio C.
Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Compare Gems Found in America

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Villiaumite Vs Zincite

Villiaumite and Nephrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Villiaumite and Nephrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Villiaumite and Nephrite Optical Properties during the identification of gemstone. Specific gravity of Villiaumite is 2.90-3.10 whereas that of Nephrite is 2.90-3.10.