Fluorite and Augelite Physical Properties

Fluorite

Augelite

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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

3.00-3.252.70-2.75

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

From the Greek for luster, for its pearly luster on the cleavage.

1.7 Mohs Hardness

44.5-5

2 10

1.8 Chemical Composition

CaF₂

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Fluorite and Augelite Chemical Formula

While comparing Fluorite and Augelite 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 Augelite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Fluorite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.