Wulfenite and Adamite Physical Properties

Wulfenite

Adamite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.50-7.004.32-4.48

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

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

{101}, good; {010}, poor

1.7 Mohs Hardness

33.5

2 10

1.8 Chemical Composition

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

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Wulfenite and Adamite Chemical Formula

While comparing Wulfenite and Adamite 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 Adamite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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Wulfenite and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Adamite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 4.32-4.48 whereas that of Adamite is 4.32-4.48.