Glaucophane and Augelite Physical Properties

Glaucophane

Augelite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3-3.152.70-2.75

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Good on [110] and on [001]

From the Greek for luster, for its pearly luster on the cleavage.

1.7 Mohs Hardness

6.0-6.54.5-5

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Glaucophane and Augelite Chemical Formula

While comparing Glaucophane and Augelite 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 Augelite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Glaucophane and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Augelite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 2.70-2.75 whereas that of Augelite is 2.70-2.75.