Iolite and Pezzottaite Physical Properties

Iolite

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

2.6-2.72.90-3.14

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

3,1

Imperfect; basal

1.7 Mohs Hardness

7-7.57.5-8

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

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

Iolite and Pezzottaite Chemical Formula

While comparing Iolite 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 Iolite and Pezzottaite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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Iolite and Pezzottaite Specific Gravity

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