Verdite and Augelite Physical Properties

Verdite

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

2.80-3.02.70-2.75

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{110} Good

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

1.7 Mohs Hardness

34.5-5

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

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

Verdite and Augelite Chemical Formula

While comparing Verdite 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 Verdite and Augelite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Verdite and Augelite Specific Gravity

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