Nephrite and Rutile Physical Properties

Nephrite

Rutile

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.104.20-4.30

1 7.18

1.5 Fracture

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

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

6-6.56-6.5

2 10

1.8 Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Nephrite and Rutile Chemical Formula

While comparing Nephrite and Rutile 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 Rutile 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 Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Nephrite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.