Pezzottaite and Bertrandite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.14
2.59-2.60
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Brittle, Metallic, Brittle, Metallic
Cleavage
Imperfect; basal
{001} Perfect, {110} Distinct, {101} Distinct
Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Pezzottaite and Bertrandite Chemical Formula
While comparing Pezzottaite and Bertrandite 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 Bertrandite chemical formula.
- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
- Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Pezzottaite and Bertrandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pezzottaite and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.