Sardonyx and Shigaite Physical Properties

Sardonyx

Shigaite

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1 Physical Properties

1.1 Tenacity

Not Available

Moderately ﬂexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.702.32

1 7.18

1.5 Fracture

Not Available

Flexible Flexible fragments.

1.6 Cleavage

Not Available

Perfect on {0001}

1.7 Mohs Hardness

6.5-72

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Not Available

Sardonyx and Shigaite Chemical Formula

While comparing Sardonyx and Shigaite 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 Shigaite chemical formula.

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

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Sardonyx and Shigaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 2.32 whereas that of Shigaite is 2.32.