Soapstone and Achroite Physical Properties

Soapstone and Achroite Chemical Formula

While comparing Soapstone and Achroite 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 Soapstone and Achroite chemical formula.

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• Chemical formula of Achroite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Soapstone and Achroite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Soapstone and Achroite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Soapstone and Achroite Optical Properties during the identification of gemstone. Specific gravity of Soapstone is 2.90-3.40 whereas that of Achroite is 2.90-3.40.