Piemontite and Nephrite Physical Properties

Piemontite

Nephrite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.90-3.10

1 7.18

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

Not Available

1.7 Mohs Hardness

6-6.56-6.5

2 10

1.8 Chemical Composition

Not Available

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.

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

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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 and Nephrite Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 2.90-3.10 whereas that of Nephrite is 2.90-3.10.