Nephrite and Williamsite Physical Properties

Nephrite

Williamsite

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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

2.90-3.102.51-2.63

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6-6.54

2 10

1.8 Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Nephrite and Williamsite Chemical Formula

While comparing Nephrite and Williamsite 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 Williamsite 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 Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

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Nephrite and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.