Wulfenite and Pargasite Physical Properties

Wulfenite

Pargasite

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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

6.50-7.003.04-3.26

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

Splintery, Brittle, Uneven

1.6 Cleavage

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

{110} perfect

1.7 Mohs Hardness

35-6

2 10

1.8 Chemical Composition

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

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Wulfenite and Pargasite Chemical Formula

While comparing Wulfenite and Pargasite 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 Pargasite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Wulfenite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.