Anthophyllite and Goethite Physical Properties

Anthophyllite

Goethite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.9-3.5

Conchoidal

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

5.5-6

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

HCl soluble

4.27-4.29

Uneven

Perfect {010}

5-5.5

FeO(OH)Arthur Thomas , Gemstones (2009)

Anthophyllite and Goethite Chemical Formula

While comparing Anthophyllite and Goethite 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 Goethite chemical formula.

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Anthophyllite and Goethite Specific Gravity

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