Sardonyx and Annabergite Physical Properties

Sardonyx

Annabergite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.703.07

1 7.18

1.5 Fracture

Not Available

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect on {010}, indistinct on {100} and {102}

1.7 Mohs Hardness

6.5-72

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Ni3(AsO4)2•8(H2O)

Sardonyx and Annabergite Chemical Formula

While comparing Sardonyx and Annabergite 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 Annabergite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

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Sardonyx and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 3.07 whereas that of Annabergite is 3.07.