Afghanite and Cordierite Iolite Physical Properties

Afghanite

Cordierite Iolite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.55-2.65

Conchoidal

Perfect {10 1 0}

5.5-6

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

2.56-2.66

Uneven, ConchoidalWalter Schumann

Distinct

7-7.5

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Afghanite and Cordierite Iolite Chemical Formula

While comparing Afghanite and Cordierite Iolite 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 Afghanite and Cordierite Iolite chemical formula.

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Afghanite Vs Glaucophane

Afghanite Vs Hauyne

Afghanite Vs Kainite

Afghanite and Cordierite Iolite Specific Gravity

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