Nephrite and Crocoite Physical Properties

Nephrite

Crocoite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.90-3.105.90-6.10

1 7.18

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Fracture

Splintery, Granular

Conchoidal

Cleavage

None

{110} Distinct, {001} Indistinct, {100} Indistinct

Mohs Hardness

6-6.52.5-3

2 10

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Chemical Composition

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

PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Nephrite and Crocoite Chemical Formula

While comparing Nephrite and Crocoite 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 Crocoite 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 Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Nephrite Vs Pyromorphite

Nephrite Vs Riesling Beryl

Nephrite Vs Rutilated Quartz

Nephrite and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.