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Chrysoprase
Chrysoprase

Oligoclase
Oligoclase



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Chrysoprase
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Oligoclase

Chrysoprase and Oligoclase Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.58-2.64
2.62-2.67
1.5 Fracture
Gems, Sixth Edition (2006)
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
1.6 Cleavage
None
From the Greek, oligos and kasein, little cleavage.
1.7 Mohs Hardness
6.5-7
6-6.5
1.8 Chemical Composition
SiO2 (with a high level of nickel impurities )
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Chrysoprase and Oligoclase Chemical Formula

While comparing Chrysoprase 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 Chrysoprase and Oligoclase chemical formula.

  • Chemical formula of Chrysoprase- SiO2 (with a high level of nickel impurities )
  • Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Chrysoprase and Oligoclase Specific Gravity

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