Pargasite and Smoky Quartz Physical Properties

Pargasite

Smoky Quartz

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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

3.04-3.262.65

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{110} perfect

{0110} Indistinct

1.7 Mohs Hardness

5-67

2 10

1.8 Chemical Composition

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

SiO₂

Pargasite and Smoky Quartz Chemical Formula

While comparing Pargasite and Smoky Quartz 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 Smoky Quartz chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Smoky Quartz- SiO₂

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Pargasite and Smoky Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.65 whereas that of Smoky Quartz is 2.65.