Marcasite and Magnesite Physical Properties

Marcasite

Magnesite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Effervesces in hot HCl

1.3 Durability

Not Available

1.4 Specific Gravity

4.80-4.902.92-3.12

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{010} Indistinct

[10 1 1] perfect

1.7 Mohs Hardness

6-6.53.5-4.5

2 10

1.8 Chemical Composition

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

MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Marcasite and Magnesite Chemical Formula

While comparing Marcasite and Magnesite 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 Magnesite chemical formula.

Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Marcasite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.