Vesuvianite and Hackmanite Physical Properties

Vesuvianite

Hackmanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Vesuvianite is virtually insolouble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.432.27-2.33

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

Poor on {110} and {100} very poor on {001}

Not Available

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

Not Available

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

Vesuvianite and Hackmanite Chemical Formula

While comparing Vesuvianite 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 Vesuvianite and Hackmanite chemical formula.

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

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Vesuvianite and Hackmanite Specific Gravity

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