Verdite and Nepheline Physical Properties

Verdite

Nepheline

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-3.02.55-2.65

1 7.18

1.5 Fracture

Not Available

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

{110} Good

[1010] Poor

1.7 Mohs Hardness

35-6

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Verdite and Nepheline Chemical Formula

While comparing Verdite and Nepheline 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 Verdite and Nepheline chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Compare Blue Gemstones

Verdite Vs Zircon

Verdite Vs Yttrium Aluminium Garnet

Verdite Vs White Opal

Verdite and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Verdite is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.