Glaucophane and Dumortierite Physical Properties

Glaucophane

Dumortierite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3-3.153.26-3.41

1 7.18

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Fracture

Conchoidal

Fibrous, ConchoidalWalter Schumann

Cleavage

Good on [110] and on [001]

Distinct on {100}, poor on {110}; parting on {001}

Mohs Hardness

6.0-6.57-8.5

2 10

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Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

AlAl₆O₃BSi₃O₁₈

Glaucophane and Dumortierite Chemical Formula

While comparing Glaucophane and Dumortierite 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 Dumortierite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Glaucophane and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.