Pezzottaite and Smoky Quartz Physical Properties

Pezzottaite

Smoky Quartz

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.14

2.65

1.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Imperfect; basal

{0110} Indistinct

1.7 Mohs Hardness

7.5-8

1.8 Chemical Composition

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

SiO₂

Pezzottaite and Smoky Quartz Chemical Formula

While comparing Pezzottaite and Smoky Quartz 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 Smoky Quartz chemical formula.

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

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Pezzottaite and Smoky Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.65 whereas that of Smoky Quartz is 2.65.