Hauyne and Erythrite Physical Properties

Hauyne

Erythrite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Gelatinises in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.4-2.53.06

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

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

1.6 Cleavage

Distinct on {110}

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

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

Co3(AsO4)2•8(H2O)

Hauyne and Erythrite Chemical Formula

While comparing Hauyne 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 Hauyne and Erythrite chemical formula.

Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Hauyne and Erythrite Specific Gravity

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