Erythrite and Clinozoisite Physical Properties

Erythrite

Clinozoisite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.063.21-3.38

1 7.18

1.5 Fracture

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

Irregular/uneven, Uneven

1.6 Cleavage

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

Perfect on {001}

1.7 Mohs Hardness

Not Available6-7

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Erythrite and Clinozoisite Chemical Formula

While comparing Erythrite and Clinozoisite 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 Clinozoisite chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Erythrite and Clinozoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Clinozoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Clinozoisite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 3.21-3.38 whereas that of Clinozoisite is 3.21-3.38.