Tanzanite and Glaucophane Physical Properties

Tanzanite

Glaucophane

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Physical Properties

Tenacity

Solubility

Durability

Hard

Specific Gravity

3.353-3.15

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

Perfect {010}, imperfect {100}

Good on [110] and on [001]

Mohs Hardness

6.5-76.0-6.5

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

[ ]Na2(Mg3Al2)Si8O22(OH)2

Tanzanite and Glaucophane Chemical Formula

While comparing Tanzanite 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 Tanzanite and Glaucophane chemical formula.

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

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Tanzanite and Glaucophane Specific Gravity

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