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Topaz
Topaz

Pezzottaite
Pezzottaite



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Topaz and Pezzottaite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.49-3.57
2.90-3.14
1.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
[001] Perfect
Imperfect; basal
1.7 Mohs Hardness
8
7.5-8
1.8 Chemical Composition
Al2SiO4(F,OH)2
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Topaz and Pezzottaite Chemical Formula

While comparing Topaz 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 Topaz and Pezzottaite chemical formula.

  • Chemical formula of Topaz- Al2SiO4(F,OH)2
  • Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Topaz and Pezzottaite Specific Gravity

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