Jade and Hackmanite Physical Properties

Jade

Hackmanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.382.27-2.33

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

1 or 2,2 prismatic.

Not Available

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

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

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Jade and Hackmanite Chemical Formula

While comparing Jade and Hackmanite 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 Hackmanite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Jade and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.