Jade and Atacamite Physical Properties

Jade

Atacamite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.383.745-3.776

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

1 or 2,2 prismatic.

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

6-73-3.5

2 10

1.8 Chemical Composition

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

Cu2Cl(OH)3

Jade and Atacamite Chemical Formula

While comparing Jade and Atacamite 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 Atacamite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Atacamite- Cu2Cl(OH)3

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Jade and Atacamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Jade is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.