Achroite and Larvikite Physical Properties

Achroite and Larvikite Chemical Formula

While comparing Achroite and Larvikite 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 Achroite and Larvikite chemical formula.

• 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.
• Chemical formula of Larvikite- (Na,Ca)2(Fe2+,Mg)3Si3O10

Achroite and Larvikite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Larvikite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Larvikite Optical Properties during the identification of gemstone. Specific gravity of Achroite is 2.59 whereas that of Larvikite is 2.59.