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Erythrite
Erythrite

Caledonite
Caledonite



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Erythrite and Caledonite Physical Properties

1 Physical Properties
1.1 Tenacity
Sectile
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.06
5.6-5.76
1.5 Fracture
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
1.6 Cleavage
Perfect on {010}; poor on {100} and { 1 02}.
[001] perfect; [100] distinct
1.7 Mohs Hardness
Not Available
2.5-3
1.8 Chemical Composition
Co3(AsO4)2•8(H2O)
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Erythrite and Caledonite Chemical Formula

While comparing Erythrite and Caledonite 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 Erythrite and Caledonite chemical formula.

  • Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
  • Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Erythrite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.