Goethite and Chrome-Chalcedony Physical Properties

Goethite

Chrome-Chalcedony

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

HCl soluble

4.27-4.29

Uneven

Perfect {010}

5-5.5

FeO(OH)Arthur Thomas , Gemstones (2009)

2.55-2.70

None

6.5-7

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Goethite and Chrome-Chalcedony Chemical Formula

While comparing Goethite and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

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Goethite and Chrome-Chalcedony Specific Gravity

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