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Zircon
Zircon

Oligoclase
Oligoclase



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Zircon and Oligoclase Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.93-4.73
2.62-2.67
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
1.6 Cleavage
{110} and {111}
From the Greek, oligos and kasein, little cleavage.
1.7 Mohs Hardness
7.5
6-6.5
1.8 Chemical Composition
ZrSiO4
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Zircon and Oligoclase Chemical Formula

While comparing Zircon and Oligoclase 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 Zircon and Oligoclase chemical formula.

  • Chemical formula of Zircon- ZrSiO4
  • Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Zircon and Oligoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zircon and Oligoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zircon and Oligoclase Optical Properties during the identification of gemstone. Specific gravity of Zircon is 2.62-2.67 whereas that of Oligoclase is 2.62-2.67.