Hardystonite and Esperite Physical Properties

Hardystonite

Esperite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.396-3.4434.28-4.42

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

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

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

1.7 Mohs Hardness

3-45-5.5

2 10

1.8 Chemical Composition

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

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

Hardystonite and Esperite Chemical Formula

While comparing Hardystonite and Esperite 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 Hardystonite and Esperite chemical formula.

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

Compare White Gemstones

Hardystonite Vs Larimar

Hardystonite Vs Leucite

Hardystonite Vs Jadeite

Hardystonite and Esperite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hardystonite and Esperite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hardystonite and Esperite Optical Properties during the identification of gemstone. Specific gravity of Hardystonite is 4.28-4.42 whereas that of Esperite is 4.28-4.42.