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Goethite
Goethite

Magnesite
Magnesite



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Goethite
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Magnesite

Goethite and Magnesite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
HCl soluble
Effervesces in hot HCl
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.27-4.292.92-3.12
Amber
1 7.18
1.5 Fracture
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Perfect {010}
[10 1 1] perfect
1.7 Mohs Hardness
5-5.53.5-4.5
Amber
2 10
1.8 Chemical Composition
FeO(OH)Arthur Thomas , Gemstones (2009)
MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Goethite and Magnesite Chemical Formula

While comparing Goethite and Magnesite 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 Magnesite chemical formula.

  • Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Magnesite- MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Goethite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goethite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goethite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Goethite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.