Gaylussite and Erythrite Physical Properties

Gaylussite

Erythrite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

decomposes in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.93-1.993.06

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

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

1.6 Cleavage

perfect [110]

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

1.7 Mohs Hardness

2.5Not Available

2 10

1.8 Chemical Composition

Na2Ca(CO3)2•5(H2O)

Co3(AsO4)2•8(H2O)

Gaylussite and Erythrite Chemical Formula

While comparing Gaylussite 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 Gaylussite and Erythrite chemical formula.

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

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Gaylussite and Erythrite Specific Gravity

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