Diopside and Peridot Physical Properties

Diopside

Peridot

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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

3.22-3.401.54-1.55

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Distinct/good on {110}

Poor

1.7 Mohs Hardness

5-66.5-7

2 10

1.8 Chemical Composition

CaMgSi₂O₆

(Mg,Fe)₂SiO₄

Diopside and Peridot Chemical Formula

While comparing Diopside and Peridot 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 Peridot chemical formula.

Chemical formula of Diopside- CaMgSi₂O₆
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

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Diopside and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diopside and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diopside and Peridot Optical Properties during the identification of gemstone. Specific gravity of Diopside is 1.54-1.55 whereas that of Peridot is 1.54-1.55.