Augite and Pezzottaite Physical Properties

Augite

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

3.19-3.562.90-3.14

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

{110} Perfect, {010} Indistinct

Imperfect; basal

1.7 Mohs Hardness

5.5-67.5-8

2 10

1.8 Chemical Composition

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

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

Augite and Pezzottaite Chemical Formula

While comparing Augite 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 Augite and Pezzottaite chemical formula.

Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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Augite and Pezzottaite Specific Gravity

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