Erythrite and Hanksite Physical Properties

Erythrite

Hanksite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

Readily soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.062.562

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}.

Good on {0001}

1.7 Mohs Hardness

Not Available3-3.5

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

KNa22(SO4)9(CO3)2Cl

Erythrite and Hanksite Chemical Formula

While comparing Erythrite and Hanksite 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 Hanksite chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
Chemical formula of Hanksite- KNa22(SO4)9(CO3)2Cl

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Erythrite and Hanksite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Hanksite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Hanksite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.562 whereas that of Hanksite is 2.562.