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Caledonite
Caledonite

Goethite
Goethite



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Caledonite
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Goethite

Caledonite and Goethite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
HCl soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.6-5.764.27-4.29
Amber
1 7.18
1.5 Fracture
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
1.6 Cleavage
[001] perfect; [100] distinct
Perfect {010}
1.7 Mohs Hardness
2.5-35-5.5
Amber
2 10
1.8 Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
FeO(OH)Arthur Thomas , Gemstones (2009)

Caledonite and Goethite Chemical Formula

While comparing Caledonite 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 Caledonite and Goethite chemical formula.

  • Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)

Caledonite and Goethite Specific Gravity

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