Brucite and Pezzottaite Physical Properties

Brucite

Pezzottaite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.392.90-3.14

1 7.18

1.5 Fracture

Irregular

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

1.6 Cleavage

Perfect on {0001}

Imperfect; basal

1.7 Mohs Hardness

2.57.5-8

2 10

1.8 Chemical Composition

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Brucite and Pezzottaite Chemical Formula

While comparing Brucite 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 Brucite and Pezzottaite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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Brucite and Pezzottaite Specific Gravity

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