Pezzottaite and Chalcedony Physical Properties

Pezzottaite

Chalcedony

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.14

2.55-2.70

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

1.6 Cleavage

Imperfect; basal

Absent

1.7 Mohs Hardness

7.5-8

6.5-7

1.8 Chemical Composition

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

SiO₂

Pezzottaite and Chalcedony Chemical Formula

While comparing Pezzottaite and Chalcedony 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 Chalcedony chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Chalcedony- SiO₂

Compare Blue Gemstones

Pezzottaite Vs Prase Opal

Pezzottaite Vs Precious Opal

Pezzottaite Vs Pyrophyllite

Pezzottaite and Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.