Wulfenite and Starlite Physical Properties

Wulfenite

Starlite

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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

6.50-7.003.91-4.73

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

36.5-7.5

2 10

1.8 Chemical Composition

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

ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Wulfenite and Starlite Chemical Formula

While comparing Wulfenite and Starlite 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 Starlite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Wulfenite and Starlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Starlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Starlite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 3.91-4.73 whereas that of Starlite is 3.91-4.73.