Marcasite and Cryolite Physical Properties

Marcasite

Cryolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.80-4.902.97

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

{010} Indistinct

None observed

1.7 Mohs Hardness

6-6.52.5

2 10

1.8 Chemical Composition

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

Na 3AlF 6Ulrich Henn and Claudio C.

Marcasite and Cryolite Chemical Formula

While comparing Marcasite and Cryolite 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 Marcasite and Cryolite chemical formula.

Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Marcasite and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 2.97 whereas that of Cryolite is 2.97.