Marialite and Achroite Physical Properties

Marialite and Achroite Chemical Formula

While comparing Marialite 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 Marialite and Achroite chemical formula.

• Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
• 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.

Marialite and Achroite Specific Gravity

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