Pargasite and Amazonite Physical Properties

Pargasite

Amazonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.262.55-2.57

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{110} perfect

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

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

KAlSi₃O₈

Pargasite and Amazonite Chemical Formula

While comparing Pargasite and Amazonite 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 Amazonite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Amazonite- KAlSi₃O₈

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Pargasite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.