Simpsonite and Nephrite Physical Properties

Simpsonite

Nephrite

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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

Not Available2.90-3.10

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

7-7.56-6.5

2 10

1.8 Chemical Composition

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

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

Simpsonite and Nephrite Chemical Formula

While comparing Simpsonite 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 Simpsonite and Nephrite chemical formula.

Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
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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Simpsonite and Nephrite Specific Gravity

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