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Oligoclase
Oligoclase

Chalcopyrite
Chalcopyrite



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Oligoclase
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Chalcopyrite

Oligoclase and Chalcopyrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.62-2.67
Uneven
From the Greek, oligos and kasein, little cleavage.
6-6.5
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Brittle
Soluble
-
4.1-4.3
Uneven
Indistinct on {011}
3.5-4
CuFeS 2Anthony et al , Handbook of mineralogy (2001)

Oligoclase and Chalcopyrite Chemical Formula

While comparing Oligoclase and Chalcopyrite 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 Oligoclase and Chalcopyrite chemical formula.

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Oligoclase and Chalcopyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Oligoclase and Chalcopyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase Vs Chalcopyrite during the identification of gemstone. Specific gravity of Oligoclase is whereas that of Chalcopyrite is .