Pezzottaite and Phlogopite Physical Properties

Pezzottaite

Phlogopite

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1 Physical Properties

1.1 Tenacity

Not Available

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.142.78-2.85

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

None, Uneven

1.6 Cleavage

Imperfect; basal

Perfect basal (001)

1.7 Mohs Hardness

7.5-82-2.5

2 10

1.8 Chemical Composition

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Not Available

Pezzottaite and Phlogopite Chemical Formula

While comparing Pezzottaite 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 Pezzottaite and Phlogopite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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Pezzottaite and Phlogopite Specific Gravity

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