Sardonyx and Rutile Physical Properties

Sardonyx

Rutile

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.704.20-4.30

1 7.18

1.5 Fracture

Not Available

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Sardonyx and Rutile Chemical Formula

While comparing Sardonyx and Rutile 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 Rutile chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Sardonyx and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Rutile Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 4.20-4.30 whereas that of Rutile is 4.20-4.30.