Prasiolite and Augelite Physical Properties

Prasiolite

Augelite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.652.70-2.75

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

3,1

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

1.7 Mohs Hardness

74.5-5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Prasiolite and Augelite Chemical Formula

While comparing Prasiolite 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 Prasiolite and Augelite chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Prasiolite and Augelite Specific Gravity

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