Spinel and Cryolite Physical Properties

Spinel

Cryolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

none

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.64-3.662.97

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Uneven

1.6 Cleavage

None, but may exhibit slight parting

None observed

1.7 Mohs Hardness

82.5

2 10

1.8 Chemical Composition

MgAl₂O₄

Na 3AlF 6Ulrich Henn and Claudio C.

Spinel and Cryolite Chemical Formula

While comparing Spinel 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 Spinel and Cryolite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Spinel and Cryolite Specific Gravity

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