Erythrite and Fuchsite Physical Properties

Erythrite

Fuchsite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.062.77-2.88

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}.

Perfect basal

1.7 Mohs Hardness

Not Available2.5

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

Erythrite and Fuchsite Chemical Formula

While comparing Erythrite and Fuchsite 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 Fuchsite chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

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Erythrite and Fuchsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Fuchsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Fuchsite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.77-2.88 whereas that of Fuchsite is 2.77-2.88.