Pezzottaite and Nuummite Physical Properties

Pezzottaite

Nuummite

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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

2.90-3.14

3.18-3.37

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Imperfect; basal

Perfect on 210

1.7 Mohs Hardness

7.5-8

5.5-6

1.8 Chemical Composition

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

Not Available

Pezzottaite and Nuummite Chemical Formula

While comparing Pezzottaite and Nuummite 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 Nuummite 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 Nuummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Nuummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Nuummite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 3.18-3.37 whereas that of Nuummite is 3.18-3.37.