Ruby and Pezzottaite Physical Properties

Ruby

Pezzottaite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.052.90-3.14

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

No true cleavage

Imperfect; basal

1.7 Mohs Hardness

97.5-8

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Ruby and Pezzottaite Chemical Formula

While comparing Ruby 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 Ruby and Pezzottaite chemical formula.

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

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Ruby and Pezzottaite Specific Gravity

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