Nephrite and Marcasite Physical Properties

Nephrite

Marcasite

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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

2.90-3.104.80-4.90

1 7.18

1.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

Not Available

{010} Indistinct

1.7 Mohs Hardness

6-6.56-6.5

2 10

1.8 Chemical Composition

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

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Nephrite and Marcasite Chemical Formula

While comparing Nephrite and Marcasite 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 Marcasite 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 Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Nephrite and Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Marcasite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 4.80-4.90 whereas that of Marcasite is 4.80-4.90.