Oligoclase and Diopside Physical Properties

Oligoclase

Diopside

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.62-2.673.22-3.40

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

From the Greek, oligos and kasein, little cleavage.

Distinct/good on {110}

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

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

CaMgSi₂O₆

Oligoclase and Diopside Chemical Formula

While comparing Oligoclase 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 Oligoclase and Diopside chemical formula.

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

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Oligoclase and Diopside Specific Gravity

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