Langbeinite and Pezzottaite Physical Properties

Langbeinite

Pezzottaite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.90-3.14

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

None

Imperfect; basal

1.7 Mohs Hardness

3.5-47.5-8

2 10

1.8 Chemical Composition

Not Available

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

Langbeinite and Pezzottaite Chemical Formula

While comparing Langbeinite 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 Langbeinite and Pezzottaite chemical formula.

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

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Langbeinite and Pezzottaite Specific Gravity

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