Augelite and Fluorite Physical Properties

Augelite

Fluorite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.70-2.753.00-3.25

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

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

1.7 Mohs Hardness

4.5-54

2 10

1.8 Chemical Composition

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

CaF₂

Augelite and Fluorite Chemical Formula

While comparing Augelite and Fluorite 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 Augelite and Fluorite chemical formula.

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

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Augelite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augelite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Augelite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.