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Goethite
Goethite

Tugtupite
Tugtupite



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Goethite
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Tugtupite

Goethite and Tugtupite Physical Properties

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)
 
-
-
-
2.30-2.60
Uneven, Conchoidal
{111} Imperfect
5.5-6
Na 4AlBeSi 4O 12ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Goethite and Tugtupite Chemical Formula

While comparing Goethite and Tugtupite 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 Tugtupite chemical formula.

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Goethite and Tugtupite Specific Gravity

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