Nephrite and Uvite Physical Properties

Nephrite

Uvite

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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

2.90-3.102.97-3.14

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Brittle

1.6 Cleavage

Not Available

{1011} Indistinct

1.7 Mohs Hardness

6-6.5Not Available

2 10

1.8 Chemical Composition

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

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Nephrite and Uvite Chemical Formula

While comparing Nephrite and Uvite 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 Uvite 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 Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Nephrite and Uvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Uvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Uvite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 2.97-3.14 whereas that of Uvite is 2.97-3.14.