Wulfenite and Fluorite Physical Properties

Wulfenite

Fluorite

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

6.50-7.003.00-3.25

1 7.18

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Fracture

Irregular, Conchoidal

Subconchoidal, Uneven, ConchoidalWalter Schumann

Cleavage

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

Octahedral, perfect on {111}, parting on {011}

Mohs Hardness

2 10

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Chemical Composition

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

CaF₂

Wulfenite and Fluorite Chemical Formula

While comparing Wulfenite and Fluorite 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 Fluorite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Fluorite- CaF₂

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Wulfenite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.