Marcasite and Prasiolite Physical Properties

Marcasite

Prasiolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.80-4.902.65

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{010} Indistinct

3,1

1.7 Mohs Hardness

6-6.57

2 10

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Marcasite and Prasiolite Chemical Formula

While comparing Marcasite and Prasiolite 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 Prasiolite chemical formula.

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

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Marcasite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 2.65 whereas that of Prasiolite is 2.65.