Fluorite and Cryolite Physical Properties

Fluorite

Cryolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.252.97

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

Uneven

1.6 Cleavage

Octahedral, perfect on {111}, parting on {011}

None observed

1.7 Mohs Hardness

42.5

2 10

1.8 Chemical Composition

CaF₂

Na 3AlF 6Ulrich Henn and Claudio C.

Fluorite and Cryolite Chemical Formula

While comparing Fluorite 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 Fluorite and Cryolite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Fluorite and Cryolite Specific Gravity

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