Seraphinite and Legrandite Physical Properties

Seraphinite and Legrandite Chemical Formula

While comparing Seraphinite and Legrandite 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 Seraphinite and Legrandite chemical formula.

• Chemical formula of Seraphinite- (Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
• Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Seraphinite and Legrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Seraphinite and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Seraphinite and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Seraphinite is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.