Mimetite and Augelite Physical Properties

Mimetite

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

7.102.70-2.75

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

[10 1 1] Imperfect

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

1.7 Mohs Hardness

3.54.5-5

2 10

1.8 Chemical Composition

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Mimetite and Augelite Chemical Formula

While comparing Mimetite 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 Mimetite and Augelite chemical formula.

Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Mimetite and Augelite Specific Gravity

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