Atacamite and Glaucophane Physical Properties

Atacamite

Glaucophane

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.745-3.7763-3.15

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect on {010}, fair on {101}

Good on [110] and on [001]

1.7 Mohs Hardness

3-3.56.0-6.5

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

[ ]Na2(Mg3Al2)Si8O22(OH)2

Atacamite and Glaucophane Chemical Formula

While comparing Atacamite 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 Atacamite and Glaucophane chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Atacamite and Glaucophane Specific Gravity

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