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