Esperite and Chrysoprase Physical Properties

Esperite

Chrysoprase

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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

4.28-4.422.58-2.64

1 7.18

1.5 Fracture

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

Gems, Sixth Edition (2006)

1.6 Cleavage

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

None

1.7 Mohs Hardness

5-5.56.5-7

2 10

1.8 Chemical Composition

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

SiO₂ (with a high level of nickel impurities )

Esperite and Chrysoprase Chemical Formula

While comparing Esperite and Chrysoprase 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 Chrysoprase chemical formula.

Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Esperite and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Esperite is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.