Marcasite and Barite Physical Properties

Marcasite

Barite

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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

4.80-4.904.48

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

{010} Indistinct

{010} Perfect, {210} Perfect, {010} Imperfect

1.7 Mohs Hardness

6-6.53-3.5

2 10

1.8 Chemical Composition

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

BaSO4

Marcasite and Barite Chemical Formula

While comparing Marcasite and Barite 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 Barite chemical formula.

Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Barite- BaSO4

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Marcasite and Barite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Barite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Barite Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 4.48 whereas that of Barite is 4.48.