Sardonyx and Riebeckite Physical Properties

Sardonyx

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

2.55-2.703.28-3.44

1 7.18

1.5 Fracture

Not Available

Uneven, Splintery, Brittle

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.5-75.0-6.0

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Not Available

Sardonyx and Riebeckite Chemical Formula

While comparing Sardonyx 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 Sardonyx and Riebeckite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

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Sardonyx and Riebeckite Specific Gravity

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