Marcasite and Fibrolite Physical Properties

Marcasite

Fibrolite

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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

4.80-4.903.14-3.25

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{010} Indistinct

Not Available

1.7 Mohs Hardness

6-6.56-7

2 10

1.8 Chemical Composition

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

Al 2SiO 5Arthur Thomas , Gemstones (2009)

Marcasite and Fibrolite Chemical Formula

While comparing Marcasite and Fibrolite 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 Fibrolite chemical formula.

Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)

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Marcasite and Fibrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Fibrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Fibrolite Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 3.14-3.25 whereas that of Fibrolite is 3.14-3.25.