Diopside and Oligoclase Physical Properties

Diopside

Oligoclase

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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

3.22-3.402.62-2.67

1 7.18

1.5 Fracture

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

Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven

1.6 Cleavage

Distinct/good on {110}

From the Greek, oligos and kasein, little cleavage.

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

CaMgSi₂O₆

Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Diopside and Oligoclase Chemical Formula

While comparing Diopside and Oligoclase 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 Oligoclase chemical formula.

Chemical formula of Diopside- CaMgSi₂O₆
Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Diopside and Oligoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diopside and Oligoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diopside and Oligoclase Optical Properties during the identification of gemstone. Specific gravity of Diopside is 2.62-2.67 whereas that of Oligoclase is 2.62-2.67.