Emerald and Esperite Physical Properties

Emerald

Esperite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Hard

2.67-2.78

Uneven, ConchoidalWalter Schumann

Imperfect on the [0001]

7.5-8

Be₃Al₂SiO₆

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)

Emerald and Esperite Chemical Formula

While comparing Emerald 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 Emerald and Esperite chemical formula.

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Emerald and Esperite Specific Gravity

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