Andalusite and Sulphur Physical Properties

Andalusite

Sulphur

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.212.05-2.08

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

Good on {110}, poor on {100}

Not Available

1.7 Mohs Hardness

7.5Not Available

2 10

1.8 Chemical Composition

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

SWalter Schumann , Gemstones of the world (2001)

Andalusite and Sulphur Chemical Formula

While comparing Andalusite and Sulphur 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 Sulphur chemical formula.

Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Sulphur- SWalter Schumann , Gemstones of the world (2001)

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Andalusite and Sulphur Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Sulphur Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Sulphur Optical Properties during the identification of gemstone. Specific gravity of Andalusite is 2.05-2.08 whereas that of Sulphur is 2.05-2.08.