Barite and Augelite Physical Properties

Barite

Augelite

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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

4.482.70-2.75

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

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

1.7 Mohs Hardness

3-3.54.5-5

2 10

1.8 Chemical Composition

BaSO4

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

Barite and Augelite Chemical Formula

While comparing Barite 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 Barite and Augelite chemical formula.

Chemical formula of Barite- BaSO4
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Barite and Augelite Specific Gravity

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