Glaucophane and Cobaltite Physical Properties

Glaucophane

Cobaltite

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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

3-3.156.3

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

1.6 Cleavage

Good on [110] and on [001]

{100} Good, {010} Good, {001} Good

1.7 Mohs Hardness

6.0-6.55.5

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

CoAsSAnthony et al , Handbook of mineralogy (2001)

Glaucophane and Cobaltite Chemical Formula

While comparing Glaucophane and Cobaltite 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 Cobaltite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

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Glaucophane and Cobaltite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 6.3 whereas that of Cobaltite is 6.3.