Pezzottaite and Siderite Physical Properties

Pezzottaite

Siderite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.143.83-3.89

1 7.18

1.10 Fracture

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

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

1.11 Cleavage

Imperfect; basal

Perfect on {01 1 1}

1.12 Mohs Hardness

7.5-83.5-4.5

2 10

2.5 Chemical Composition

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

Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pezzottaite and Siderite Chemical Formula

While comparing Pezzottaite and Siderite 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 Siderite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Pezzottaite and Siderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Siderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Siderite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 3.83-3.89 whereas that of Siderite is 3.83-3.89.