Langbeinite and Erythrite Physical Properties

Langbeinite

Erythrite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.06

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

3.5-4Not Available

2 10

1.8 Chemical Composition

Not Available

Co3(AsO4)2•8(H2O)

Langbeinite and Erythrite Chemical Formula

While comparing Langbeinite 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 Langbeinite and Erythrite chemical formula.

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

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Langbeinite and Erythrite Specific Gravity

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