Cordierite and Hureaulite Physical Properties

Cordierite

Hureaulite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.663.19

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Brittle, Uneven

1.6 Cleavage

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

{???} Distinct

1.7 Mohs Hardness

7-7.53.5

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)

Cordierite and Hureaulite Chemical Formula

While comparing Cordierite and Hureaulite 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 Hureaulite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Hureaulite- Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

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Cordierite and Hureaulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Hureaulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Hureaulite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.19 whereas that of Hureaulite is 3.19.