Hackmanite and Villiaumite Physical Properties

Hackmanite

Villiaumite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.27-2.332.79

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

Brittle, Metallic

1.6 Cleavage

Not Available

{100} Perfect, {010} Perfect, {001} Perfect

1.7 Mohs Hardness

5.5-62

2 10

1.8 Chemical Composition

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

NaFUlrich Henn and Claudio C.

Hackmanite and Villiaumite Chemical Formula

While comparing Hackmanite and Villiaumite 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 Hackmanite and Villiaumite chemical formula.

Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Villiaumite- NaFUlrich Henn and Claudio C.

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Hackmanite and Villiaumite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hackmanite and Villiaumite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hackmanite and Villiaumite Optical Properties during the identification of gemstone. Specific gravity of Hackmanite is 2.79 whereas that of Villiaumite is 2.79.