Diopside and Pyrite Marcasite Physical Properties

Diopside

Pyrite Marcasite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.22-3.404.9-5.2

1 7.18

1.5 Fracture

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

Not Available

1.6 Cleavage

Distinct/good on {110}

None

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

CaMgSi₂O₆

Not Available

Diopside and Pyrite Marcasite Chemical Formula

While comparing Diopside 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 Diopside and Pyrite Marcasite chemical formula.

Chemical formula of Diopside- CaMgSi₂O₆

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Diopside and Pyrite Marcasite Specific Gravity

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