Esperite and Elbaite Physical Properties

Esperite

Elbaite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

4.28-4.42

Conchoidal

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

5-5.5

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

2.90-3.10

Uneven, Conchoidal

Poor/indistinct on {1120} and {1011}

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Esperite and Elbaite Chemical Formula

While comparing Esperite and Elbaite 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 Elbaite chemical formula.

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Esperite and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite Vs Elbaite during the identification of gemstone. Specific gravity of Esperite is whereas that of Elbaite is .