Mimetite and Phlogopite Physical Properties

Mimetite

Phlogopite

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1 Physical Properties

1.1 Tenacity

Brittle

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

7.102.78-2.85

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

None, Uneven

1.6 Cleavage

[10 1 1] Imperfect

Perfect basal (001)

1.7 Mohs Hardness

3.52-2.5

2 10

1.8 Chemical Composition

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

Not Available

Mimetite and Phlogopite Chemical Formula

While comparing Mimetite and Phlogopite 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 Phlogopite chemical formula.

Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Mimetite and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mimetite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mimetite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Mimetite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.