Shattuckite and Esperite Physical Properties

Shattuckite

Esperite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.80-4.154.28-4.42

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

perfect along [010] and [100]

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

1.7 Mohs Hardness

3.5-45-5.5

2 10

1.8 Chemical Composition

Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Shattuckite and Esperite Chemical Formula

While comparing Shattuckite 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 Shattuckite and Esperite chemical formula.

Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

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Shattuckite and Esperite Specific Gravity

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