Thulite and Hackmanite Physical Properties

Thulite

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

3.1

2.27-2.33

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Perfect {010} imperfect {100}

Not Available

1.7 Mohs Hardness

6-7

5.5-6

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Thulite and Hackmanite Chemical Formula

While comparing Thulite 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 Thulite and Hackmanite chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Thulite and Hackmanite Specific Gravity

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