Phosphosiderite and Wulfenite Physical Properties

Phosphosiderite

Wulfenite

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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

2.74-2.766.50-7.00

1 7.18

1.5 Fracture

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

Irregular, Brittle, Conchoidal

1.6 Cleavage

{010} Perfect, {001} Distinct

On {011}, distinct; on {001}, {013}, indistinct

1.7 Mohs Hardness

3.5-43

2 10

1.8 Chemical Composition

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

PbMoO 4Walter Schumann , Gemstones of the world (2001)

Phosphosiderite and Wulfenite Chemical Formula

While comparing Phosphosiderite and Wulfenite 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 Phosphosiderite and Wulfenite chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)

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Phosphosiderite and Wulfenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Wulfenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Wulfenite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 6.50-7.00 whereas that of Wulfenite is 6.50-7.00.