Sardonyx and Halite Physical Properties

Sardonyx

Halite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Water-soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.702.17

1 7.18

1.5 Fracture

Not Available

Conchoidal, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect {001}, three directions cubic

1.7 Mohs Hardness

6.5-72.0-2.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

NaCl

Sardonyx and Halite Chemical Formula

While comparing Sardonyx and Halite 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 Halite chemical formula.

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

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Sardonyx and Halite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Halite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 2.17 whereas that of Halite is 2.17.