Caledonite and Erythrite Physical Properties

Caledonite

Erythrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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)

Sectile

3.06

Sectile

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

-9999

Co3(AsO4)2•8(H2O)

Caledonite and Erythrite Chemical Formula

While comparing Caledonite and Erythrite 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 Erythrite chemical formula.

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Caledonite and Erythrite Specific Gravity

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