Verdite and Neptunite Physical Properties

Verdite

Neptunite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-3.03.19-3.23

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

{110} Good

{110} good

1.7 Mohs Hardness

35-6

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Verdite and Neptunite Chemical Formula

While comparing Verdite 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 Verdite and Neptunite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

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Verdite Vs White Opal

Verdite and Neptunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Neptunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Neptunite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 3.19-3.23 whereas that of Neptunite is 3.19-3.23.