Augelite and Narsarsukite Physical Properties

Augelite

Narsarsukite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.70-2.752.72-2.83

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

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

Good on {100} and {110}

1.7 Mohs Hardness

4.5-56-7

2 10

1.8 Chemical Composition

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

Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Augelite and Narsarsukite Chemical Formula

While comparing Augelite and Narsarsukite 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 Augelite and Narsarsukite chemical formula.

Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

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Augelite and Narsarsukite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augelite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Augelite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.