Nuummite and Augelite Physical Properties

Nuummite

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

3.18-3.372.70-2.75

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Perfect on 210

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

1.7 Mohs Hardness

5.5-64.5-5

2 10

1.8 Chemical Composition

Not Available

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

Nuummite and Augelite Chemical Formula

While comparing Nuummite 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 Nuummite and Augelite chemical formula.

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

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Nuummite and Augelite Specific Gravity

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