Diopside and Star Sapphire Physical Properties

Diopside

Star Sapphire

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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

3.22-3.403.90-4.05

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}

Not Available

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

CaMgSi₂O₆

Al 2O 3Ulrich Henn and Claudio C.

Diopside and Star Sapphire Chemical Formula

While comparing Diopside and Star Sapphire 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 Star Sapphire chemical formula.

Chemical formula of Diopside- CaMgSi₂O₆
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Compare Yellow Gemstones

Diopside Vs Fayalite

Diopside Vs Ettringite

Diopside Vs Feldspar

Diopside and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diopside and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diopside and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Diopside is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.