Nephrite and Eosphorite Physical Properties

Nephrite

Eosphorite

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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

2.90-3.103.05-3.08

1 7.18

1.5 Fracture

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

Subconchoidal, Uneven, Conchoidal, Uneven

1.6 Cleavage

Not Available

Poor on {100}

1.7 Mohs Hardness

6-6.55

2 10

1.8 Chemical Composition

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

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Nephrite and Eosphorite Chemical Formula

While comparing Nephrite and Eosphorite 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 Eosphorite 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 Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Nephrite and Eosphorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.