Wulfenite and Amazonite Physical Properties

Wulfenite

Amazonite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

6.50-7.002.55-2.57

1 7.18

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Fracture

Irregular, Conchoidal

Uneven

Cleavage

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

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Mohs Hardness

36-6.5

2 10

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Chemical Composition

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

KAlSi₃O₈

Wulfenite and Amazonite Chemical Formula

While comparing Wulfenite and Amazonite 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 Amazonite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Amazonite- KAlSi₃O₈

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Wulfenite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.