Verdite and Cordierite Physical Properties

Verdite

Cordierite

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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

2.80-3.02.57-2.66

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

{110} Good

Fair on {100}, poor on {001} and {010}

1.7 Mohs Hardness

37-7.5

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

Mg2Al4Si5O18

Verdite and Cordierite Chemical Formula

While comparing Verdite and Cordierite 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 Cordierite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Cordierite- Mg2Al4Si5O18

Compare Blue Gemstones

Verdite Vs Zircon

Verdite Vs Yttrium Aluminium Garnet

Verdite Vs White Opal

Verdite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.