Glaucophane and Sardonyx Physical Properties

Glaucophane

Sardonyx

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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

3-3.152.55-2.70

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Not Available

1.6 Cleavage

Good on [110] and on [001]

Not Available

1.7 Mohs Hardness

6.0-6.56.5-7

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

SiO 2Ulrich Henn and Claudio C.

Glaucophane and Sardonyx Chemical Formula

While comparing Glaucophane 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 Glaucophane and Sardonyx chemical formula.

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

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Glaucophane and Sardonyx Specific Gravity

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