Pezzottaite and Adamite Physical Properties

Pezzottaite

Adamite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.144.32-4.48

1 7.18

1.5 Fracture

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

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Imperfect; basal

{101}, good; {010}, poor

1.7 Mohs Hardness

7.5-83.5

2 10

1.8 Chemical Composition

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

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Pezzottaite and Adamite Chemical Formula

While comparing Pezzottaite and Adamite 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 Adamite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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Pezzottaite and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Adamite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 4.32-4.48 whereas that of Adamite is 4.32-4.48.