Mellite and Hackmanite Physical Properties

Mellite

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

1.58-1.602.27-2.33

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

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

1.6 Cleavage

{011} Imperfect

Not Available

1.7 Mohs Hardness

25.5-6

2 10

1.8 Chemical Composition

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

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

Mellite and Hackmanite Chemical Formula

While comparing Mellite 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 Mellite and Hackmanite chemical formula.

Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

Mellite Vs Mother of Pearl

Mellite Vs Narsarsukite

Mellite Vs Morion

Mellite and Hackmanite Specific Gravity

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