Pargasite and Anorthoclase Physical Properties

Pargasite

Anorthoclase

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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

3.04-3.262.56-2.62

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{110} perfect

From the Greek for oblique and fracture, descriptive of the cleavage

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)

(Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Pargasite and Anorthoclase Chemical Formula

While comparing Pargasite and Anorthoclase 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 Anorthoclase chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Anorthoclase- (Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Pargasite and Anorthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Anorthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Anorthoclase Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.56-2.62 whereas that of Anorthoclase is 2.56-2.62.