Microcline and Erythrite Physical Properties

Microcline

Erythrite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.633.06

1 7.18

1.5 Fracture

Uneven, Uneven, Gems

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

1.6 Cleavage

{001} Perfect, {010} Good

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

1.7 Mohs Hardness

6-6.5Not Available

2 10

1.8 Chemical Composition

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Co3(AsO4)2•8(H2O)

Microcline and Erythrite Chemical Formula

While comparing Microcline and Erythrite 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 Microcline and Erythrite chemical formula.

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

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Microcline and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microcline and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microcline and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Microcline is 3.06 whereas that of Erythrite is 3.06.