Esperite and Gahnite Physical Properties

Esperite

Gahnite

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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

4.28-4.424.00-4.62

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

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

Indistinct parting on [111]

1.7 Mohs Hardness

5-5.57.5-8

2 10

1.8 Chemical Composition

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

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Esperite and Gahnite Chemical Formula

While comparing Esperite and Gahnite 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 Gahnite chemical formula.

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

Compare White Gemstones

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Esperite Vs Hackmanite

Esperite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Esperite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.