Pezzottaite and Sardonyx Physical Properties

Pezzottaite

Sardonyx

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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

2.90-3.142.55-2.70

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Imperfect; basal

Not Available

1.7 Mohs Hardness

7.5-86.5-7

2 10

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Pezzottaite and Sardonyx Chemical Formula

While comparing Pezzottaite and Sardonyx 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 Sardonyx chemical formula.

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

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Pezzottaite and Sardonyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.