Wulfenite and Star Sapphire Physical Properties

Wulfenite

Star Sapphire

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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

6.50-7.003.90-4.05

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3Not Available

2 10

1.8 Chemical Composition

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

Al 2O 3Ulrich Henn and Claudio C.

Wulfenite and Star Sapphire Chemical Formula

While comparing Wulfenite and Star Sapphire 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 Star Sapphire chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Compare Red Gemstones

Wulfenite Vs Garnet Malaia

Wulfenite Vs Hessonite Garnet

Wulfenite Vs Opal Australia

Wulfenite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.