Pezzottaite and Cobaltite Physical Properties

Pezzottaite

Cobaltite

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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

2.90-3.146.3

1 7.18

1.5 Fracture

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

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

1.6 Cleavage

Imperfect; basal

{100} Good, {010} Good, {001} Good

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.

CoAsSAnthony et al , Handbook of mineralogy (2001)

Pezzottaite and Cobaltite Chemical Formula

While comparing Pezzottaite and Cobaltite 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 Cobaltite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Pezzottaite and Cobaltite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 6.3 whereas that of Cobaltite is 6.3.