Lizardite and Cordierite Physical Properties

Lizardite

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

2.552.57-2.66

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

{001} Perfect

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

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Mg2Al4Si5O18

Lizardite and Cordierite Chemical Formula

While comparing Lizardite 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 Lizardite and Cordierite chemical formula.

Chemical formula of Lizardite- Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Cordierite- Mg2Al4Si5O18

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Lizardite and Cordierite Specific Gravity

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