Narsarsukite and Phenakite Physical Properties

Narsarsukite

Phenakite

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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

2.72-2.832.90-2.98

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle

1.6 Cleavage

Good on {100} and {110}

Distinct on {11 2 0}, imperfect on {10 1 1}

1.7 Mohs Hardness

6-77.5-8

2 10

1.8 Chemical Composition

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

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Narsarsukite and Phenakite Chemical Formula

While comparing Narsarsukite and Phenakite 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 Phenakite chemical formula.

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

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Narsarsukite and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Narsarsukite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Narsarsukite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Narsarsukite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.