Piemontite and Hackmanite Physical Properties

Piemontite

Hackmanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available

2.27-2.33

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

Not Available

1.7 Mohs Hardness

6-6.5

5.5-6

1.8 Chemical Composition

Not Available

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

Piemontite and Hackmanite Chemical Formula

While comparing Piemontite 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 Piemontite and Hackmanite chemical formula.

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

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Piemontite and Hackmanite Specific Gravity

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