Cordierite and Hexagonite Physical Properties

Cordierite

Hexagonite

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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

2.57-2.662.98-3.03

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Uneven

1.6 Cleavage

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

[110] perfect; [010] distinct

1.7 Mohs Hardness

7-7.55-6

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Cordierite and Hexagonite Chemical Formula

While comparing Cordierite and Hexagonite 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 Hexagonite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Compare Blue Gemstones

Cordierite Vs Riebeckite

Cordierite Vs Plumbogummite

Cordierite Vs Rosasite

Cordierite and Hexagonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.