Pyrophyllite and Narsarsukite Physical Properties

Pyrophyllite

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

2.65-2.902.72-2.83

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

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

1.6 Cleavage

{001} Perfect

Good on {100} and {110}

1.7 Mohs Hardness

Not Available6-7

2 10

1.8 Chemical Composition

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Pyrophyllite and Narsarsukite Chemical Formula

While comparing Pyrophyllite 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 Pyrophyllite and Narsarsukite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

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Pyrophyllite and Narsarsukite Specific Gravity

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