Riebeckite and Orthoclase Physical Properties

Riebeckite

Orthoclase

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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

3.28-3.442.54-2.61

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Gems, Uneven

1.6 Cleavage

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

Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.

1.7 Mohs Hardness

5.0-6.06

2 10

1.8 Chemical Composition

Not Available

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Riebeckite and Orthoclase Chemical Formula

While comparing Riebeckite and Orthoclase 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 Riebeckite and Orthoclase chemical formula.

Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Riebeckite and Orthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Orthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Orthoclase Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 2.54-2.61 whereas that of Orthoclase is 2.54-2.61.