Pleonaste and Augelite Physical Properties

Pleonaste

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

3.802.70-2.75

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

84.5-5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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

Pleonaste and Augelite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Augelite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Pleonaste Vs Pyrophyllite

Pleonaste Vs Rubellite

Pleonaste Vs Rock Crystal

Pleonaste and Augelite Specific Gravity

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