Agate and Augelite Physical Properties

Agate

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

2.60-2.64

2.70-2.75

1.5 Fracture

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Indiscernible

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

1.7 Mohs Hardness

6.5-7

4.5-5

1.8 Chemical Composition

SiO₂

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

Agate and Augelite Chemical Formula

While comparing Agate 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 Agate and Augelite chemical formula.

Chemical formula of Agate- SiO₂
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Agate and Augelite Specific Gravity

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