Microcline and Goethite Physical Properties

Microcline

Goethite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

HCl soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.634.27-4.29

1 7.18

1.5 Fracture

Uneven, Uneven, Gems

Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).

1.6 Cleavage

{001} Perfect, {010} Good

Perfect {010}

1.7 Mohs Hardness

6-6.55-5.5

2 10

1.8 Chemical Composition

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

FeO(OH)Arthur Thomas , Gemstones (2009)

Microcline and Goethite Chemical Formula

While comparing Microcline 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 Microcline and Goethite chemical formula.

Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)

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Microcline and Goethite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microcline and Goethite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microcline and Goethite Optical Properties during the identification of gemstone. Specific gravity of Microcline is 4.27-4.29 whereas that of Goethite is 4.27-4.29.