Pyrite Marcasite and Diopside Physical Properties

Pyrite Marcasite

Diopside

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.9-5.23.22-3.40

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

None

Distinct/good on {110}

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

Not Available

CaMgSi₂O₆

Pyrite Marcasite and Diopside Chemical Formula

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

Chemical formula of Diopside- CaMgSi₂O₆

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Pyrite Marcasite and Diopside Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrite Marcasite and Diopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrite Marcasite and Diopside Optical Properties during the identification of gemstone. Specific gravity of Pyrite Marcasite is 3.22-3.40 whereas that of Diopside is 3.22-3.40.