Goethite and Clinozoisite Physical Properties

Goethite

Clinozoisite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

HCl soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.27-4.293.21-3.38

1 7.18

1.5 Fracture

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

Irregular/uneven, Uneven

1.6 Cleavage

Perfect {010}

Perfect on {001}

1.7 Mohs Hardness

5-5.56-7

2 10

1.8 Chemical Composition

FeO(OH)Arthur Thomas , Gemstones (2009)

Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Goethite and Clinozoisite Chemical Formula

While comparing Goethite and Clinozoisite 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 Goethite and Clinozoisite chemical formula.

Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Goethite and Clinozoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goethite and Clinozoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goethite and Clinozoisite Optical Properties during the identification of gemstone. Specific gravity of Goethite is 3.21-3.38 whereas that of Clinozoisite is 3.21-3.38.