Nepouite and Hackmanite Physical Properties

Nepouite

Hackmanite

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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

3.18-3.242.27-2.33

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

perfect on {001}

Not Available

1.7 Mohs Hardness

25.5-6

2 10

1.8 Chemical Composition

Not Available

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

Nepouite and Hackmanite Chemical Formula

While comparing Nepouite and Hackmanite 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 Nepouite and Hackmanite chemical formula.

Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Nepouite and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepouite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepouite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Nepouite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.