Anthophyllite and Cordierite Physical Properties

Anthophyllite

Cordierite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.9-3.52.57-2.66

1 7.18

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Fracture

Conchoidal

Subconchoidal, Conchoidal

Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

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

Mohs Hardness

5.5-67-7.5

2 10

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Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Mg2Al4Si5O18

Anthophyllite and Cordierite Chemical Formula

While comparing Anthophyllite 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 Anthophyllite and Cordierite chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Cordierite- Mg2Al4Si5O18

Compare Brown Gemstones

Anthophyllite Vs Astrophyllite

Anthophyllite Vs Augite

Anthophyllite Vs Axinite

Anthophyllite and Cordierite Specific Gravity

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