Sardonyx and Thulite Physical Properties

Sardonyx

Thulite

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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

2.55-2.703.1

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Perfect {010} imperfect {100}

1.7 Mohs Hardness

6.5-76-7

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Ca₂Al₃(SiO₄)₃(OH)

Sardonyx and Thulite Chemical Formula

While comparing Sardonyx and Thulite 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 Thulite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)

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Sardonyx and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Thulite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 3.1 whereas that of Thulite is 3.1.