Esperite and Hardystonite Physical Properties

Esperite

Hardystonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.28-4.42

3.396-3.443

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic

Brittle, Metallic

1.6 Cleavage

Distinct on [010] and [100] poor on [101]

[001] good, [100] and [110] fair

1.7 Mohs Hardness

5-5.5

3-4

1.8 Chemical Composition

PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Esperite and Hardystonite Chemical Formula

While comparing Esperite and Hardystonite 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 Hardystonite chemical formula.

Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Compare White Gemstones

Esperite Vs Hackmanite

Esperite Vs Hydrogrossular

Esperite Vs Hardystonite

Esperite and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Esperite is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.