Legrandite and Tourmaline Physical Properties

Legrandite and Tourmaline Chemical Formula

While comparing Legrandite and Tourmaline 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 Tourmaline 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 Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Legrandite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Legrandite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.