Pezzottaite and Labradorite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.14
2.69-2.72
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Cleavage
Imperfect; basal
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Mohs Hardness
7.5-8
6-6.5
Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
(Na,Ca)1-2Si3-2O8
Pezzottaite and Labradorite Chemical Formula
While comparing Pezzottaite and Labradorite 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 Labradorite chemical formula.
- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
Pezzottaite and Labradorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pezzottaite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.