Wulfenite and Vivianite Physical Properties

Wulfenite

Vivianite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.50-7.002.64-2.70

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

(e.g. graphite).

1.6 Cleavage

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

{010} Perfect

1.7 Mohs Hardness

3Not Available

2 10

1.8 Chemical Composition

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Wulfenite and Vivianite Chemical Formula

While comparing Wulfenite and Vivianite 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 Wulfenite and Vivianite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Compare Red Gemstones

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Wulfenite Vs Hessonite Garnet

Wulfenite Vs Garnet Malaia

Wulfenite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.