Nuummite and Pezzottaite Physical Properties

Nuummite

Pezzottaite

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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

3.18-3.37

2.90-3.14

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Perfect on 210

Imperfect; basal

1.7 Mohs Hardness

5.5-6

7.5-8

1.8 Chemical Composition

Not Available

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

Nuummite and Pezzottaite Chemical Formula

While comparing Nuummite and Pezzottaite 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 Nuummite and Pezzottaite chemical formula.

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

Compare Green Gemstones

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Nuummite Vs Pezzottaite

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Nuummite and Pezzottaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nuummite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nuummite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Nuummite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.