Pezzottaite and Zinnwaldite Physical Properties

Pezzottaite

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Not Available

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.142.9-3.1

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Imperfect; basal

Perfect basal {001}

1.7 Mohs Hardness

7.5-83.5-4.0

2 10

1.8 Chemical Composition

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

Not Available

Pezzottaite and Zinnwaldite Chemical Formula

While comparing Pezzottaite and Zinnwaldite 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 Zinnwaldite 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 Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.