Narsarsukite and Augelite Physical Properties

Narsarsukite

Augelite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.72-2.832.70-2.75

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Good on {100} and {110}

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

1.7 Mohs Hardness

6-74.5-5

2 10

1.8 Chemical Composition

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

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

Narsarsukite and Augelite Chemical Formula

While comparing Narsarsukite 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 Narsarsukite and Augelite chemical formula.

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

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Narsarsukite and Augelite Specific Gravity

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