Nepheline and Eudialyte Physical Properties

Nepheline

Eudialyte

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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

H₂SO₄

2.74-3.00

Uneven

Distinct on {0001} imperfect on {11 2 0}

5-5.5

Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Nepheline and Eudialyte Chemical Formula

While comparing Nepheline and Eudialyte 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 Eudialyte chemical formula.

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Nepheline and Eudialyte Specific Gravity

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