Sardonyx and Glaucophane Physical Properties

Sardonyx

Glaucophane

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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

2.55-2.70

3-3.15

1.5 Fracture

Not Available

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Not Available

Good on [110] and on [001]

1.7 Mohs Hardness

6.5-7

6.0-6.5

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

[ ]Na2(Mg3Al2)Si8O22(OH)2

Sardonyx and Glaucophane Chemical Formula

While comparing Sardonyx and Glaucophane 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 Glaucophane chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Sardonyx and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 3-3.15 whereas that of Glaucophane is 3-3.15.