Pargasite and Magnesite Physical Properties

Pargasite

Magnesite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Effervesces in hot HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.262.92-3.12

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{110} perfect

[10 1 1] perfect

1.7 Mohs Hardness

5-63.5-4.5

2 10

1.8 Chemical Composition

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

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

Pargasite and Magnesite Chemical Formula

While comparing Pargasite and Magnesite 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 Magnesite chemical formula.

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

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Pargasite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.