Pargasite and Vanadinite Physical Properties

Pargasite

Vanadinite

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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

3.04-3.266.8-7.1

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Uneven, Conchoidal, Brittle

1.6 Cleavage

{110} perfect

None

1.7 Mohs Hardness

5-63-4

2 10

1.8 Chemical Composition

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

C20H36

Pargasite and Vanadinite Chemical Formula

While comparing Pargasite and Vanadinite 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 Pargasite and Vanadinite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Vanadinite- C20H36

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Pargasite and Vanadinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Vanadinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Vanadinite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 6.8-7.1 whereas that of Vanadinite is 6.8-7.1.