Riebeckite and Sylvite Physical Properties

Riebeckite

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.441.993

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Uneven, Brittle

1.6 Cleavage

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

Perfect on [100], [010], [001]

1.7 Mohs Hardness

5.0-6.02.5

2 10

1.8 Chemical Composition

Not Available

Riebeckite and Sylvite Chemical Formula

While comparing Riebeckite and Sylvite 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 Sylvite chemical formula.

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Riebeckite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 1.993 whereas that of Sylvite is 1.993.