Cryolite and Mellite Physical Properties

Cryolite

Mellite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.971.58-1.60

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

None observed

{011} Imperfect

1.7 Mohs Hardness

2.52

2 10

1.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

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

Cryolite and Mellite Chemical Formula

While comparing Cryolite and Mellite 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 Cryolite and Mellite chemical formula.

Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

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Cryolite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cryolite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cryolite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Cryolite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.