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Nepheline
Nepheline

Malachite
Malachite



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Nepheline
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Malachite

Nepheline and Malachite 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.
 
-
-
-
3.25-4.10
Conchoidal, Uneven
Perfect on { 2 01} fair on {010}
3.5-4
Cu2CO3(OH)2

Nepheline and Malachite Chemical Formula

While comparing Nepheline and Malachite 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 Malachite chemical formula.

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Nepheline and Malachite Specific Gravity

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