Narsarsukite and Proustite Physical Properties

Narsarsukite

Proustite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.72-2.835.51-5.64

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Good on {100} and {110}

Distinct on {10 1 1}

1.7 Mohs Hardness

6-72.5

2 10

1.8 Chemical Composition

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

Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Narsarsukite and Proustite Chemical Formula

While comparing Narsarsukite and Proustite 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 Proustite chemical formula.

Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

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Narsarsukite Vs Pezzottaite

Narsarsukite and Proustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Narsarsukite and Proustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Narsarsukite and Proustite Optical Properties during the identification of gemstone. Specific gravity of Narsarsukite is 5.51-5.64 whereas that of Proustite is 5.51-5.64.