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Nepheline
Nepheline

Pectolite
Pectolite



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Nepheline
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Pectolite

Nepheline and Pectolite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.65
Subconchoidal, Conchoidal
[1010] Poor
5-6
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
 
Brittle
-
-
2.74-2.90
Uneven, Splintery
Perfect on {100} and {001}
4.5-5
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Nepheline and Pectolite Chemical Formula

While comparing Nepheline and Pectolite 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 Nepheline and Pectolite chemical formula.

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Nepheline and Pectolite Specific Gravity

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