Erythrite and Nickeline Physical Properties

Erythrite

Nickeline

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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

3.06Not Available

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

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

{1010} Imperfect, {0001} Imperfect

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

Not Available

Erythrite and Nickeline Chemical Formula

While comparing Erythrite and Nickeline 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 Nickeline chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Erythrite and Nickeline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Nickeline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Nickeline Optical Properties during the identification of gemstone. Specific gravity of Erythrite is Not Available whereas that of Nickeline is Not Available.