Glaucophane and Aragonite Physical Properties

Glaucophane

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

3-3.152.93-2.96

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Good on [110] and on [001]

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

1.7 Mohs Hardness

6.0-6.53.5-4

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

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

Glaucophane and Aragonite Chemical Formula

While comparing Glaucophane and Aragonite 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 Aragonite chemical formula.

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

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Glaucophane and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.