Sanidine and Erythrite Physical Properties

Sanidine

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

2.54-2.613.06

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

6Not Available

2 10

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Co3(AsO4)2•8(H2O)

Sanidine and Erythrite Chemical Formula

While comparing Sanidine 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 Sanidine and Erythrite chemical formula.

Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

Compare Blue Gemstones

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Sanidine and Erythrite Specific Gravity

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