Charlesite and Augelite Physical Properties

Charlesite

Augelite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

1.79

Irregular/uneven

Perfect on {10bar10}

2.5

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

2.70-2.75

Conchoidal

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

4.5-5

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

Charlesite and Augelite Chemical Formula

While comparing Charlesite 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 Charlesite and Augelite chemical formula.

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Charlesite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charlesite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite Vs Augelite during the identification of gemstone. Specific gravity of Charlesite is whereas that of Augelite is .