Anorthoclase and Crystal Opal Physical Properties

Anorthoclase

Crystal Opal

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.56-2.621.97-2.22

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

From the Greek for oblique and fracture, descriptive of the cleavage

Not Available

1.7 Mohs Hardness

6-6.55.5-6.5

2 10

1.8 Chemical Composition

(Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

SiO 2 + H 2OUlrich Henn and Claudio C.

Anorthoclase and Crystal Opal Chemical Formula

While comparing Anorthoclase and Crystal Opal 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 Anorthoclase and Crystal Opal chemical formula.

Chemical formula of Anorthoclase- (Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Colorless Gems

Anorthoclase Vs Beryllonite

Anorthoclase Vs Black Opal

Anorthoclase Vs Beryl

Anorthoclase and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anorthoclase and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anorthoclase and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Anorthoclase is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.