Leucite and Nephrite Physical Properties

Leucite

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

2.45-2.502.90-3.10

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

Poor on {110}

Not Available

1.7 Mohs Hardness

5.5-66-6.5

2 10

1.8 Chemical Composition

KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Leucite and Nephrite Chemical Formula

While comparing Leucite 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 Leucite and Nephrite chemical formula.

Chemical formula of Leucite- KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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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Leucite and Nephrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Leucite and Nephrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Leucite and Nephrite Optical Properties during the identification of gemstone. Specific gravity of Leucite is 2.90-3.10 whereas that of Nephrite is 2.90-3.10.