Radiolarite and Pezzottaite Physical Properties
Tenacity
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Not Available
  
Solubility
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Not Available
  
Durability
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Specific Gravity
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2.90-3.14
  
Fracture
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Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
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Imperfect; basal
  
Mohs Hardness
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7.5-8
  
Chemical Composition
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(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
  
Radiolarite and Pezzottaite Chemical Formula
While comparing Radiolarite 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 Radiolarite and Pezzottaite chemical formula.
>- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Radiolarite and Pezzottaite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Radiolarite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Radiolarite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Radiolarite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.