Starlite and Wulfenite Physical Properties

Starlite

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

3.91-4.736.50-7.00

1 7.18

1.5 Fracture

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

Irregular, Brittle, Conchoidal

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.5-7.53

2 10

1.8 Chemical Composition

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

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

Starlite and Wulfenite Chemical Formula

While comparing Starlite 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 Starlite and Wulfenite chemical formula.

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

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Starlite and Wulfenite Specific Gravity

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