Pezzottaite and Uvite Physical Properties

Pezzottaite

Uvite

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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

2.90-3.142.97-3.14

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Brittle

1.6 Cleavage

Imperfect; basal

{1011} Indistinct

1.7 Mohs Hardness

7.5-8Not Available

2 10

1.8 Chemical Composition

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

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Pezzottaite and Uvite Chemical Formula

While comparing Pezzottaite and Uvite 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 Uvite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Pezzottaite and Uvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Uvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Uvite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.97-3.14 whereas that of Uvite is 2.97-3.14.