Nephrite and Magnesite Physical Properties

Nephrite

Magnesite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Effervesces in hot HCl

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.102.92-3.12

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

[10 1 1] perfect

1.7 Mohs Hardness

6-6.53.5-4.5

2 10

1.8 Chemical Composition

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

MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Nephrite and Magnesite Chemical Formula

While comparing Nephrite and Magnesite 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 Magnesite 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 Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Nephrite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.