Pezzottaite and Kurnakovite Physical Properties

Pezzottaite

Kurnakovite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.141.847-1.852

1 7.18

1.5 Fracture

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

Brittle, Conchoidal

1.6 Cleavage

Imperfect; basal

Poor to indistinct on {010}

1.7 Mohs Hardness

7.5-82-3

2 10

1.8 Chemical Composition

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

Not Available

Pezzottaite and Kurnakovite Chemical Formula

While comparing Pezzottaite and Kurnakovite 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 Kurnakovite 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 Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.