Peridot and Pyrite Marcasite Physical Properties

Peridot

Pyrite 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

1.54-1.554.9-5.2

1 7.18

1.5 Fracture

Conchoidal

Not Available

1.6 Cleavage

Poor

None

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

Not Available

Peridot and Pyrite Marcasite Chemical Formula

While comparing Peridot and Pyrite 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 Peridot and Pyrite Marcasite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄

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Peridot and Pyrite Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Pyrite Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Pyrite Marcasite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 4.9-5.2 whereas that of Pyrite Marcasite is 4.9-5.2.