Erythrite and Hauyne Physical Properties

Erythrite

Hauyne

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

Gelatinises in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.062.4-2.5

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Brittle

1.6 Cleavage

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

Distinct on {110}

1.7 Mohs Hardness

Not Available5-6

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

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

Erythrite and Hauyne Chemical Formula

While comparing Erythrite and Hauyne 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 Hauyne chemical formula.

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

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Erythrite and Hauyne Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Hauyne Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Hauyne Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.4-2.5 whereas that of Hauyne is 2.4-2.5.