Legrandite and Thulite Physical Properties

Legrandite and Thulite Chemical Formula

While comparing Legrandite and Thulite 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 Legrandite and Thulite chemical formula.

• Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)

Legrandite and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Legrandite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 3.1 whereas that of Thulite is 3.1.