Cordierite and Lizardite Physical Properties

Cordierite

Lizardite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.662.55

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Not Available

1.6 Cleavage

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

{001} Perfect

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

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

Cordierite and Lizardite Chemical Formula

While comparing Cordierite and Lizardite 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 Lizardite chemical formula.

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

Compare Blue Gemstones

Cordierite Vs Rosasite

Cordierite Vs Plumbogummite

Cordierite Vs Riebeckite

Cordierite and Lizardite Specific Gravity

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