Tourmaline and Cryolite Physical Properties

Tourmaline

Cryolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.352.97

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Uneven

1.6 Cleavage

Indistinct

None observed

1.7 Mohs Hardness

7-7.52.5

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Na 3AlF 6Ulrich Henn and Claudio C.

Tourmaline and Cryolite Chemical Formula

While comparing Tourmaline and Cryolite 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 Tourmaline and Cryolite chemical formula.

Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Tourmaline and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 2.97 whereas that of Cryolite is 2.97.