Holmquistite and Pezzottaite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.95-3.13
2.90-3.14
Fracture
Not Available
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
{210} Perfect
Imperfect; basal
Chemical Composition
Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Holmquistite and Pezzottaite Chemical Formula
While comparing Holmquistite 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 Holmquistite and Pezzottaite chemical formula.
- Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Holmquistite and Pezzottaite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Holmquistite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Holmquistite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Holmquistite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.