Rosasite and Pezzottaite Physical Properties

Rosasite

Pezzottaite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.22.90-3.14

1 7.18

1.5 Fracture

Splintery

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

1.6 Cleavage

Perfect on {100} and {010}

Imperfect; basal

1.7 Mohs Hardness

47.5-8

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Pezzottaite Chemical Formula

While comparing Rosasite 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 Rosasite and Pezzottaite chemical formula.

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

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Rosasite and Pezzottaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rosasite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rosasite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Rosasite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.