Esperite and Sapphire Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
insoluble
Durability
Not Available
Not Available
Specific Gravity
4.28-4.42
3.95-4.03
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Distinct on [010] and [100] poor on [101]
None, but may exhibit parting
Chemical Composition
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Al 2 O 3
Esperite and Sapphire Chemical Formula
While comparing Esperite and Sapphire 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 Sapphire chemical formula.
- Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Sapphire- Al 2 O 3
Esperite and Sapphire Specific Gravity
Another important criteria for qualitative analysis of gemstones is Esperite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Esperite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.