Glaucophane and Foitite Physical Properties

Glaucophane

Foitite

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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

3-3.153.17

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Handbook of mineralogy (2001)

1.6 Cleavage

Good on [110] and on [001]

None

1.7 Mohs Hardness

6.0-6.57

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Glaucophane and Foitite Chemical Formula

While comparing Glaucophane and Foitite 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 Foitite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Glaucophane and Foitite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Foitite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Foitite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 3.17 whereas that of Foitite is 3.17.