Sardonyx and Pearl Physical Properties

Sardonyx

Pearl

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.702.60-2.85

1 7.18

1.5 Fracture

Not Available

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Not Available

none

1.7 Mohs Hardness

6.5-72.5-4.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Not Available

Sardonyx and Pearl Chemical Formula

While comparing Sardonyx and Pearl 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 Pearl chemical formula.

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

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Sardonyx and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Pearl Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 2.60-2.85 whereas that of Pearl is 2.60-2.85.