Nephrite and Serpentine Physical Properties

Nephrite

Serpentine

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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

2.90-3.102.44-2.62

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gemstones of the world (2001) More from other references

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6-6.52.5-5.5

2 10

1.8 Chemical Composition

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

H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

Nephrite and Serpentine Chemical Formula

While comparing Nephrite and Serpentine 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 Serpentine chemical formula.

Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Serpentine- H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

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Nephrite and Serpentine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Serpentine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Serpentine Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 2.44-2.62 whereas that of Serpentine is 2.44-2.62.