Erythrite and Gaylussite Physical Properties

Erythrite

Gaylussite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

decomposes in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.061.93-1.99

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

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

perfect [110]

1.7 Mohs Hardness

Not Available2.5

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

Na2Ca(CO3)2•5(H2O)

Erythrite and Gaylussite Chemical Formula

While comparing Erythrite and Gaylussite 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 Gaylussite chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)

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Erythrite and Gaylussite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Gaylussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Gaylussite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 1.93-1.99 whereas that of Gaylussite is 1.93-1.99.