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Oligoclase
Oligoclase
☒

Neptunite
Neptunite
☒



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Oligoclase
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Neptunite

Oligoclase and Neptunite 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
-
-
3.19-3.23
Conchoidal
{110} good
5-6
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)

Oligoclase and Neptunite Chemical Formula

While comparing Oligoclase and Neptunite 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 Neptunite chemical formula.

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Oligoclase and Neptunite Specific Gravity

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