Hackmanite and Hardystonite Physical Properties

Hackmanite

Hardystonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.27-2.333.396-3.443

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

Not Available

[001] good, [100] and [110] fair

1.7 Mohs Hardness

5.5-63-4

2 10

1.8 Chemical Composition

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

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Hackmanite and Hardystonite Chemical Formula

While comparing Hackmanite and Hardystonite 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 Hardystonite chemical formula.

Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

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Hackmanite and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hackmanite and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hackmanite and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Hackmanite is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.