Wernerite and Andalusite Physical Properties

Wernerite

Andalusite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.50-2.80

Perfect

5-6.5

Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

3.05-3.21

Uneven, Subconchoidal, Splintery

Good on {110}, poor on {100}

7.5

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

Wernerite and Andalusite Chemical Formula

While comparing Wernerite and Andalusite 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 Wernerite and Andalusite chemical formula.

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Wernerite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wernerite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wernerite Vs Andalusite during the identification of gemstone. Specific gravity of Wernerite is whereas that of Andalusite is .