Sardonyx and Quartz Physical Properties

Sardonyx

Quartz

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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

2.55-2.702.65

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Brittle, Gems

1.6 Cleavage

Not Available

{0110} Indistinct

1.7 Mohs Hardness

6.5-77

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

SiO₂

Sardonyx and Quartz Chemical Formula

While comparing Sardonyx and Quartz 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 Quartz chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Quartz- SiO₂

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Sardonyx and Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Quartz Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 2.65 whereas that of Quartz is 2.65.