Erythrite and Microcline Physical Properties

Erythrite

Microcline

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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

3.062.55-2.63

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems

1.6 Cleavage

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

{001} Perfect, {010} Good

1.7 Mohs Hardness

Not Available6-6.5

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Erythrite and Microcline Chemical Formula

While comparing Erythrite and Microcline 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 Microcline chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)

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Erythrite and Microcline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Microcline Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.55-2.63 whereas that of Microcline is 2.55-2.63.