Esperite and Moldavite Physical Properties

Esperite

Moldavite

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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

4.28-4.422.32-2.38

1 7.18

1.5 Fracture

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

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5-5.55.5

2 10

1.8 Chemical Composition

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

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Esperite and Moldavite Chemical Formula

While comparing Esperite and Moldavite 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 Moldavite chemical formula.

Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Compare White Gemstones

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Esperite Vs Hydrogrossular

Esperite and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Esperite is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.