Augelite and Blue John Physical Properties

Augelite

Blue John

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

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)

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

4.5-5Not Available

2 10

1.8 Chemical Composition

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

CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Augelite and Blue John Chemical Formula

While comparing Augelite and Blue John 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 Blue John chemical formula.

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

Compare Colorless Gems

Augelite Vs Boracite

Augelite Vs Blue John

Augelite Vs Black Opal

Augelite and Blue John Specific Gravity

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