Cordierite and Lawsonite Physical Properties

Cordierite

Lawsonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.66

3.09

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

White, Yellow, Pale blue, Brittle, Uneven

1.6 Cleavage

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

Perfect on {100} and {010}, imperfect on {101}

1.7 Mohs Hardness

7-7.5

1.8 Chemical Composition

Mg2Al4Si5O18

Not Available

Cordierite and Lawsonite Chemical Formula

While comparing Cordierite and Lawsonite 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 Cordierite and Lawsonite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18

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Cordierite and Lawsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Lawsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Lawsonite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.09 whereas that of Lawsonite is 3.09.