Pezzottaite and Phosphosiderite Physical Properties

Pezzottaite

Phosphosiderite

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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

2.90-3.142.74-2.76

1 7.18

1.5 Fracture

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

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven

1.6 Cleavage

Imperfect; basal

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

7.5-83.5-4

2 10

1.8 Chemical Composition

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

Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Pezzottaite and Phosphosiderite Chemical Formula

While comparing Pezzottaite and Phosphosiderite 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 Phosphosiderite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

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Pezzottaite and Phosphosiderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.