Barite and Marcasite Physical Properties

Barite

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

4.484.80-4.90

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

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

{010} Indistinct

1.7 Mohs Hardness

3-3.56-6.5

2 10

1.8 Chemical Composition

BaSO4

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

Barite and Marcasite Chemical Formula

While comparing Barite 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 Barite and Marcasite chemical formula.

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

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Barite and Marcasite Specific Gravity

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