Aragonite and Glaucophane Physical Properties

Aragonite

Glaucophane

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Physical Properties

Tenacity

Brittle

Solubility

Dilute acid

Durability

Specific Gravity

2.93-2.963-3.15

1 7.18

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Fracture

Subconchoidal, Conchoidal

Conchoidal

Cleavage

Distinct on {010}, imperfect {110} and {011}

Good on [110] and on [001]

Mohs Hardness

3.5-46.0-6.5

2 10

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Chemical Composition

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

[ ]Na2(Mg3Al2)Si8O22(OH)2

Aragonite and Glaucophane Chemical Formula

While comparing Aragonite 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 Aragonite and Glaucophane chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Aragonite and Glaucophane Specific Gravity

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