Anorthoclase and Riebeckite Physical Properties

Anorthoclase

Riebeckite

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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

2.56-2.623.28-3.44

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Uneven, Splintery, Brittle

1.6 Cleavage

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

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

1.7 Mohs Hardness

6-6.55.0-6.0

2 10

1.8 Chemical Composition

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

Not Available

Anorthoclase and Riebeckite Chemical Formula

While comparing Anorthoclase and Riebeckite 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 Riebeckite chemical formula.

Chemical formula of Anorthoclase- (Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

Anorthoclase Vs Black Opal

Anorthoclase Vs Beryllonite

Anorthoclase Vs Beryl

Anorthoclase and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anorthoclase and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anorthoclase and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Anorthoclase is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.