Pezzottaite and Agrellite Physical Properties

Pezzottaite

Agrellite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.142.88

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Imperfect; basal

perfect [110]

1.7 Mohs Hardness

7.5-85.5

2 10

1.8 Chemical Composition

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

NaCa2Si4O10F

Pezzottaite and Agrellite Chemical Formula

While comparing Pezzottaite and Agrellite 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 Agrellite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Agrellite- NaCa2Si4O10F

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Pezzottaite and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.88 whereas that of Agrellite is 2.88.