Coral and Marcasite Physical Properties

Coral

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

2.60-2.704.80-4.90

1 7.18

1.5 Fracture

Irregular, Irregular, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

{010} Indistinct

1.7 Mohs Hardness

3-46-6.5

2 10

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

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

Coral and Marcasite Chemical Formula

While comparing Coral 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 Coral and Marcasite chemical formula.

Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Coral and Marcasite Specific Gravity

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