Pezzottaite and Helenite Physical Properties

Pezzottaite

Helenite

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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

2.90-3.14Not Available

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

7.5-8Not Available

2 10

1.8 Chemical Composition

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

Not Available

Pezzottaite and Helenite Chemical Formula

While comparing Pezzottaite and Helenite 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 Helenite 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 Helenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Helenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Helenite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is Not Available whereas that of Helenite is Not Available.