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Goethite
Goethite

Danburite
Danburite



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Goethite
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Danburite

Goethite and Danburite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
HCl soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.27-4.292.97-3.03
Amber
1 7.18
1.5 Fracture
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.6 Cleavage
Perfect {010}
{001} Poor
1.7 Mohs Hardness
5-5.57
Amber
2 10
1.8 Chemical Composition
FeO(OH)Arthur Thomas , Gemstones (2009)
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Goethite and Danburite Chemical Formula

While comparing Goethite and Danburite 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 Danburite chemical formula.

  • Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Danburite- CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Goethite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goethite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goethite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Goethite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.