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Caledonite
Caledonite

Cordierite
Cordierite



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Caledonite
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Cordierite

Caledonite and Cordierite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.6-5.762.57-2.66
Amber
1 7.18
1.5 Fracture
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
Subconchoidal, Conchoidal, Brittle
1.6 Cleavage
[001] perfect; [100] distinct
Fair on {100}, poor on {001} and {010}
1.7 Mohs Hardness
2.5-37-7.5
Amber
2 10
1.8 Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Mg2Al4Si5O18

Caledonite and Cordierite Chemical Formula

While comparing Caledonite and Cordierite 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 Cordierite 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 Cordierite- Mg2Al4Si5O18

Caledonite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.