Papagoite and Esperite Physical Properties

Papagoite

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

3.254.28-4.42

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

Imperfect in one direction

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

1.7 Mohs Hardness

5-5.55-5.5

2 10

1.8 Chemical Composition

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Papagoite and Esperite Chemical Formula

While comparing Papagoite 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 Papagoite and Esperite chemical formula.

Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

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Papagoite and Esperite Specific Gravity

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