Plumbogummite and Augelite Physical Properties

Plumbogummite

Augelite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0142.70-2.75

1 7.18

1.5 Fracture

Uneven, Conchoidal

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

4-54.5-5

2 10

1.8 Chemical Composition

Not Available

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

Plumbogummite and Augelite Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Augelite chemical formula.

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

Compare Blue Gemstones

Plumbogummite Vs Sylvite

Plumbogummite Vs Paraiba

Plumbogummite Vs Lehsunia

Plumbogummite and Augelite Specific Gravity

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