Fuchsite and Pezzottaite Physical Properties

Fuchsite

Pezzottaite

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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

2.77-2.882.90-3.14

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

Perfect basal

Imperfect; basal

1.7 Mohs Hardness

2.57.5-8

2 10

1.8 Chemical Composition

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

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

Fuchsite and Pezzottaite Chemical Formula

While comparing Fuchsite and Pezzottaite 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 Fuchsite and Pezzottaite chemical formula.

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

Compare Green Gemstones

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Fuchsite Vs Hackmanite

Fuchsite and Pezzottaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fuchsite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fuchsite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Fuchsite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.