Erythrite and Gaspeite Physical Properties

Erythrite

Gaspeite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

HCl soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.063.71

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

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

{10 1 1} Good

1.7 Mohs Hardness

Not Available4.5-5

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

(Ni,Mg,Fe++)CO3

Erythrite and Gaspeite Chemical Formula

While comparing Erythrite and Gaspeite 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 Gaspeite chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3

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Erythrite and Gaspeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Gaspeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Gaspeite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 3.71 whereas that of Gaspeite is 3.71.