Eosphorite and Marcasite Physical Properties

Eosphorite

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

3.05-3.084.80-4.90

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

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

1.6 Cleavage

Poor on {100}

{010} Indistinct

1.7 Mohs Hardness

56-6.5

2 10

1.8 Chemical Composition

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Eosphorite and Marcasite Chemical Formula

While comparing Eosphorite 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 Eosphorite and Marcasite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Eosphorite and Marcasite Specific Gravity

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