Emerald and Hemimorphite Physical Properties

Emerald

Hemimorphite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Hard

Specific Gravity

2.67-2.783.30-3.50

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

Imperfect on the [0001]

Perfect on {110}, poor on {101}, {001} rare

Mohs Hardness

7.5-85

2 10

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Chemical Composition

Be₃Al₂SiO₆

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Emerald and Hemimorphite Chemical Formula

While comparing Emerald and Hemimorphite 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 Hemimorphite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Precious Gemstones

Emerald Vs Pleonaste

Emerald Vs Rhodizite

Emerald Vs Ruby

Emerald and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.