Sugilite and Wulfenite Physical Properties

Sugilite

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

2.69-2.796.50-7.00

1 7.18

1.5 Fracture

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

Irregular, Brittle, Conchoidal

1.6 Cleavage

Poor on {0001}

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

1.7 Mohs Hardness

5.5-6.53

2 10

1.8 Chemical Composition

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Sugilite and Wulfenite Chemical Formula

While comparing Sugilite 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 Sugilite and Wulfenite chemical formula.

Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)

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Sugilite and Wulfenite Specific Gravity

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