Zoisite and Glaucophane Physical Properties

Zoisite

Glaucophane

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.20-3.503-3.15

1 7.18

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Fracture

Uneven, Conchoidal, Even

Conchoidal

Cleavage

Perfect {010} imperfect {100}

Good on [110] and on [001]

Mohs Hardness

6-76.0-6.5

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

[ ]Na2(Mg3Al2)Si8O22(OH)2

Zoisite and Glaucophane Chemical Formula

While comparing Zoisite 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 Zoisite and Glaucophane chemical formula.

Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Zoisite and Glaucophane Specific Gravity

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