Jade and Hemimorphite Physical Properties

Jade

Hemimorphite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

2.90-3.383.30-3.50

1 7.18

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Fracture

Splintery

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

1 or 2,2 prismatic.

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

Mohs Hardness

6-75

2 10

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Chemical Composition

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

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

Jade and Hemimorphite Chemical Formula

While comparing Jade 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 Jade and Hemimorphite chemical formula.

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

Compare Semi Precious Gemstones

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Jade and Hemimorphite Specific Gravity

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