Fluorite and Gahnite Physical Properties

Fluorite

Gahnite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.254.00-4.62

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

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

Indistinct parting on [111]

1.7 Mohs Hardness

47.5-8

2 10

1.8 Chemical Composition

CaF₂

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Fluorite and Gahnite Chemical Formula

While comparing Fluorite and Gahnite 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 Gahnite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Fluorite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.