Hemimorphite and Jade Physical Properties

Hemimorphite

Jade

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

3.30-3.502.90-3.38

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann, Conchoidal

Splintery

Cleavage

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

1 or 2,2 prismatic.

Mohs Hardness

56-7

2 10

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Chemical Composition

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

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Hemimorphite and Jade Chemical Formula

While comparing Hemimorphite and Jade 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 Hemimorphite and Jade chemical formula.

Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Hemimorphite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hemimorphite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Jade Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 2.90-3.38 whereas that of Jade is 2.90-3.38.