Friedelite and Pezzottaite Physical Properties

Friedelite

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

3.06-3.192.90-3.14

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{010} Perfect

Imperfect; basal

1.7 Mohs Hardness

4-57.5-8

2 10

1.8 Chemical Composition

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

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

Friedelite and Pezzottaite Chemical Formula

While comparing Friedelite 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 Friedelite and Pezzottaite chemical formula.

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

Compare Red Gemstones

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Friedelite and Pezzottaite Specific Gravity

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