Sapphire and Pargasite Physical Properties

Sapphire

Pargasite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.033.04-3.26

1 7.18

1.7 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Splintery, Brittle, Uneven

1.8 Cleavage

None, but may exhibit parting

{110} perfect

1.9 Mohs Hardness

95-6

2 10

1.13 Chemical Composition

Al ₂ O ₃

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

Sapphire and Pargasite Chemical Formula

While comparing Sapphire and Pargasite 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 Sapphire and Pargasite chemical formula.

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

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Sapphire and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.