Wardite and Herderite Physical Properties

Wardite and Herderite Chemical Formula

While comparing Wardite and Herderite 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 Wardite and Herderite chemical formula.

• Chemical formula of Wardite- NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Wardite and Herderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wardite and Herderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wardite and Herderite Optical Properties during the identification of gemstone. Specific gravity of Wardite is 2.90-3.02 whereas that of Herderite is 2.90-3.02.