Oligoclase and Cryolite Physical Properties

Oligoclase

Cryolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.62-2.672.97

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

From the Greek, oligos and kasein, little cleavage.

None observed

1.7 Mohs Hardness

6-6.52.5

2 10

1.8 Chemical Composition

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

Na 3AlF 6Ulrich Henn and Claudio C.

Oligoclase and Cryolite Chemical Formula

While comparing Oligoclase and Cryolite 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 Cryolite 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 Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

Compare Colorless Gems

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Oligoclase and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Oligoclase and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is 2.97 whereas that of Cryolite is 2.97.