Esperite and Aragonite Physical Properties

Esperite

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

4.28-4.422.93-2.96

1 7.18

1.5 Fracture

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

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

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

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

5-5.53.5-4

2 10

1.8 Chemical Composition

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

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Esperite and Aragonite Chemical Formula

While comparing Esperite and Aragonite 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 Aragonite chemical formula.

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

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Esperite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Esperite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.