Diopside and Realgar Physical Properties

Diopside

Realgar

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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

3.22-3.403.56

1 7.18

1.5 Fracture

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

(e.g. graphite).

1.6 Cleavage

Distinct/good on {110}

{010} Good

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

CaMgSi₂O₆

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Diopside and Realgar Chemical Formula

While comparing Diopside and Realgar 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 Realgar chemical formula.

Chemical formula of Diopside- CaMgSi₂O₆
Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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Diopside and Realgar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diopside and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diopside and Realgar Optical Properties during the identification of gemstone. Specific gravity of Diopside is 3.56 whereas that of Realgar is 3.56.