Glaucophane and Cymophane Physical Properties

Glaucophane

Cymophane

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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

3-3.153.69-3.81

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

6.0-6.58.5

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

BeAl 2O 4Arthur Thomas , Gemstones (2009)

Glaucophane and Cymophane Chemical Formula

While comparing Glaucophane and Cymophane 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 Cymophane chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Cymophane- BeAl 2O 4Arthur Thomas , Gemstones (2009)

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Glaucophane and Cymophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Cymophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Cymophane Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 3.69-3.81 whereas that of Cymophane is 3.69-3.81.