Pezzottaite and Fuchsite Physical Properties

Pezzottaite

Fuchsite

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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

2.90-3.142.77-2.88

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Imperfect; basal

Perfect basal

1.7 Mohs Hardness

7.5-82.5

2 10

1.8 Chemical Composition

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

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

Pezzottaite and Fuchsite Chemical Formula

While comparing Pezzottaite and Fuchsite 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 Fuchsite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

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Pezzottaite and Fuchsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Fuchsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Fuchsite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.77-2.88 whereas that of Fuchsite is 2.77-2.88.