Ruby and Diopside Physical Properties

Ruby

Diopside

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.053.22-3.40

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

No true cleavage

Distinct/good on {110}

1.7 Mohs Hardness

95-6

2 10

1.8 Chemical Composition

Al ₂ O ₃

CaMgSi₂O₆

Ruby and Diopside Chemical Formula

While comparing Ruby 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 Ruby and Diopside chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Diopside- CaMgSi₂O₆

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Ruby and Diopside Specific Gravity

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