Sardonyx and Bertrandite Physical Properties

Sardonyx

Bertrandite

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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

2.55-2.702.59-2.60

1 7.18

1.5 Fracture

Not Available

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Not Available

{001} Perfect, {110} Distinct, {101} Distinct

1.7 Mohs Hardness

6.5-76-7

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Sardonyx and Bertrandite Chemical Formula

While comparing Sardonyx and Bertrandite 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 Bertrandite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Sardonyx and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.