Cordierite and Ferro-axinite Axinite-Fe Physical Properties

Cordierite

Ferro-axinite Axinite-Fe

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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

2.57-2.66

3.25-3.28

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Uneven

1.6 Cleavage

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

{100} Distinct, {001} Poor, {110} Poor

1.7 Mohs Hardness

7-7.5

6.5-7

1.8 Chemical Composition

Mg2Al4Si5O18

Ca2Fe++Al2BO3Si4O12(OH)

Cordierite and Ferro-axinite Axinite-Fe Chemical Formula

While comparing Cordierite and Ferro-axinite Axinite-Fe 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 Ferro-axinite Axinite-Fe chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Ferro-axinite Axinite-Fe- Ca2Fe++Al2BO3Si4O12(OH)

Compare Blue Gemstones

Cordierite Vs Riebeckite

Cordierite Vs Rosasite

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Cordierite and Ferro-axinite Axinite-Fe Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Ferro-axinite Axinite-Fe Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Ferro-axinite Axinite-Fe Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.25-3.28 whereas that of Ferro-axinite Axinite-Fe is 3.25-3.28.

Blue Gemstones

Glaucophane

Hauyne

Kainite

Lawsonite

Plumbogummite

Riebeckite