Catapleiite and Cordierite Physical Properties

Catapleiite

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

2.722.57-2.66

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

{110} Perfect, {010} Perfect

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

1.7 Mohs Hardness

5-67-7.5

2 10

1.8 Chemical Composition

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Mg2Al4Si5O18

Catapleiite and Cordierite Chemical Formula

While comparing Catapleiite 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 Catapleiite and Cordierite chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cordierite- Mg2Al4Si5O18

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Catapleiite and Cordierite Specific Gravity

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