Sardonyx and Smithsonite Physical Properties

Sardonyx

Smithsonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.704.00-4.65

1 7.18

1.5 Fracture

Not Available

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect on [1011]

1.7 Mohs Hardness

6.5-75-5.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Sardonyx and Smithsonite Chemical Formula

While comparing Sardonyx and Smithsonite 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 Smithsonite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

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Sardonyx and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.