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Goethite
Goethite

Radiolarite
Radiolarite



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Goethite
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Radiolarite

Goethite and Radiolarite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

HCl soluble
-

Durability

-
-

Specific Gravity

4.27-4.29-9999
1 7.18
👆🏻

Fracture

Uneven
-

Cleavage

Perfect {010}
None

Mohs Hardness

5-5.5-9999
2 10
👆🏻

Chemical Composition

FeO(OH)Arthur Thomas , Gemstones (2009)
SiO2

Goethite and Radiolarite Chemical Formula

While comparing Goethite and Radiolarite 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 Radiolarite chemical formula.

  • Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Radiolarite- SiO2

Goethite and Radiolarite Specific Gravity

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