Sardonyx and Xonotlite Physical Properties

Sardonyx

Xonotlite

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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

2.55-2.702.71-2.72

1 7.18

1.5 Fracture

Not Available

Handbook of mineralogy (2001), Difficult, Fibrous

1.6 Cleavage

Not Available

{???} Good

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Sardonyx and Xonotlite Chemical Formula

While comparing Sardonyx and Xonotlite 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 Xonotlite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Xonotlite- Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Sardonyx and Xonotlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Xonotlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Xonotlite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 2.71-2.72 whereas that of Xonotlite is 2.71-2.72.