Andalusite and Sarcopside Physical Properties

Andalusite

Sarcopside

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.05-3.213.79-3.94

1 7.18

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Fracture

Uneven, Subconchoidal, Splintery

Lamellar, Splintery

Cleavage

Good on {110}, poor on {100}

{100} Good, {001} Good, {010} Poor

Mohs Hardness

7.54

2 10

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Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

FeAs

Andalusite and Sarcopside Chemical Formula

While comparing Andalusite and Sarcopside 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 Andalusite and Sarcopside chemical formula.

Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Sarcopside- FeAs

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Andalusite and Sarcopside Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Sarcopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Sarcopside Optical Properties during the identification of gemstone. Specific gravity of Andalusite is 3.79-3.94 whereas that of Sarcopside is 3.79-3.94.