Pyrope Almandine and Pezzottaite Physical Properties

Pyrope Almandine

Pezzottaite

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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

3.62-4.202.90-3.14

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

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

1.6 Cleavage

Not Available

Imperfect; basal

1.7 Mohs Hardness

7-7.57.5-8

2 10

1.8 Chemical Composition

(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

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

Pyrope Almandine and Pezzottaite Chemical Formula

While comparing Pyrope Almandine 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 Pyrope Almandine and Pezzottaite chemical formula.

Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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Pyrope Almandine and Pezzottaite Specific Gravity

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