Erythrite and Caledonite Physical Properties

Erythrite

Caledonite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Sectile

3.06

Sectile

Perfect on {010}; poor on {100} and { 1 02}.

-9999

Co3(AsO4)2•8(H2O)

Brittle

5.6-5.76

Uneven

[001] perfect; [100] distinct

2.5-3

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.

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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 Vs Caledonite during the identification of gemstone. Specific gravity of Erythrite is whereas that of Caledonite is .