Plumbogummite and Marcasite Physical Properties

Plumbogummite

Marcasite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0144.80-4.90

1 7.18

1.5 Fracture

Uneven, Conchoidal

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

1.6 Cleavage

None

{010} Indistinct

1.7 Mohs Hardness

4-56-6.5

2 10

1.8 Chemical Composition

Not Available

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

Plumbogummite and Marcasite Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Marcasite chemical formula.

Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Plumbogummite and Marcasite Specific Gravity

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