Jade and Aragonite Physical Properties

Jade

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.382.93-2.96

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

1 or 2,2 prismatic.

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

6-73.5-4

2 10

1.8 Chemical Composition

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

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Jade and Aragonite Chemical Formula

While comparing Jade and Aragonite 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 Aragonite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Jade and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.