Fluorite and Chromite Physical Properties

Fluorite

Chromite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.254.5-4.8

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, parting may develop along {111}

1.7 Mohs Hardness

45.5

2 10

1.8 Chemical Composition

CaF₂

Fe++Cr2O4

Fluorite and Chromite Chemical Formula

While comparing Fluorite and Chromite 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 Chromite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Chromite- Fe++Cr2O4

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Fluorite and Chromite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Chromite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Chromite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 4.5-4.8 whereas that of Chromite is 4.5-4.8.