Coral and Erythrite Physical Properties

Coral

Erythrite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.703.06

1 7.18

1.5 Fracture

Irregular, Irregular, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

3-4Not Available

2 10

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

Co3(AsO4)2•8(H2O)

Coral and Erythrite Chemical Formula

While comparing Coral 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 Coral and Erythrite chemical formula.

Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Coral and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Coral and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Coral and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Coral is 3.06 whereas that of Erythrite is 3.06.