Sunstone and Erythrite Physical Properties

Sunstone

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

2.62-2.653.06

1 7.18

1.5 Fracture

Gemstones of the world (2001)

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

1.6 Cleavage

001

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

1.7 Mohs Hardness

6Not Available

2 10

1.8 Chemical Composition

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Co3(AsO4)2•8(H2O)

Sunstone and Erythrite Chemical Formula

While comparing Sunstone 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 Sunstone and Erythrite chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Sunstone and Erythrite Specific Gravity

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