Hibonite and Wulfenite Physical Properties

Hibonite

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

3.846.50-7.00

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Irregular, Brittle, Conchoidal

1.6 Cleavage

{0001} good, {10 1 0} parting

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

1.7 Mohs Hardness

7.5-83

2 10

1.8 Chemical Composition

(Ca,Ce)(Al,Ti,Mg)12O19

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

Hibonite and Wulfenite Chemical Formula

While comparing Hibonite 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 Hibonite and Wulfenite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)

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Hibonite and Wulfenite Specific Gravity

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