Esperite and Wardite Physical Properties
Specific Gravity
4.28-4.42
2.81
Fracture
Conchoidal
Conchoidal
Cleavage
Distinct on [010] and [100] poor on [101]
{001} Perfect
Mohs Hardness
5-5.5
4.5-5
Chemical Composition
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Esperite and Wardite Chemical Formula
While comparing Esperite and Wardite 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 Esperite and Wardite chemical formula.
- Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Wardite- NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Esperite and Wardite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Esperite and Wardite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Wardite Optical Properties during the identification of gemstone. Specific gravity of Esperite is 2.81 whereas that of Wardite is 2.81.