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Jet lignite
Jet lignite

Goethite
Goethite



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Jet lignite
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Goethite

Jet lignite and Goethite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
HCl soluble

Durability

-
-

Specific Gravity

1.30-1.344.27-4.29
1 7.18
👆🏻

Fracture

-
Uneven

Cleavage

None
Perfect {010}

Mohs Hardness

2.55-5.5
2 10
👆🏻

Chemical Composition

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

Jet lignite and Goethite Chemical Formula

While comparing Jet lignite 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 Jet lignite and Goethite chemical formula.

  • Chemical formula of Jet lignite- C
  • Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)

Jet lignite and Goethite Specific Gravity

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