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Goethite
Goethite

Vanadinite
Vanadinite



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Goethite
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Vanadinite

Goethite and Vanadinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

HCl soluble
-

Durability

-
-

Specific Gravity

4.27-4.296.8-7.1
1 7.18
👆🏻

Fracture

Uneven
Uneven, Conchoidal

Cleavage

Perfect {010}
None

Mohs Hardness

5-5.53-4
2 10
👆🏻

Chemical Composition

FeO(OH)Arthur Thomas , Gemstones (2009)
C20H36

Goethite and Vanadinite Chemical Formula

While comparing Goethite and Vanadinite 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 Vanadinite chemical formula.

  • Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Vanadinite- C20H36

Goethite and Vanadinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goethite and Vanadinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goethite and Vanadinite Optical Properties during the identification of gemstone. Specific gravity of Goethite is 6.8-7.1 whereas that of Vanadinite is 6.8-7.1.