Pezzottaite and Friedelite Physical Properties

Pezzottaite

Friedelite

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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

2.90-3.143.06-3.19

1 7.18

1.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

1.6 Cleavage

Imperfect; basal

{010} Perfect

1.7 Mohs Hardness

7.5-84-5

2 10

1.8 Chemical Composition

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

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Pezzottaite and Friedelite Chemical Formula

While comparing Pezzottaite and Friedelite 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 Friedelite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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Pezzottaite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.