Pargasite and Smithsonite Physical Properties

Pargasite

Smithsonite

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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

3.04-3.264.00-4.65

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

{110} perfect

Perfect on [1011]

1.7 Mohs Hardness

5-65-5.5

2 10

1.8 Chemical Composition

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

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pargasite and Smithsonite Chemical Formula

While comparing Pargasite and Smithsonite 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 Smithsonite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Pargasite and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.