Adamite and Sardonyx Physical Properties

Adamite

Sardonyx

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

2.55-2.70

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

Not Available

1.6 Cleavage

{101}, good; {010}, poor

Not Available

1.7 Mohs Hardness

3.5

6.5-7

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

SiO 2Ulrich Henn and Claudio C.

Adamite and Sardonyx Chemical Formula

While comparing Adamite and Sardonyx 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 Adamite and Sardonyx chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

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Adamite and Sardonyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Adamite is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.