Jade and Hessonite Physical Properties

Jade

Hessonite

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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

2.90-3.383.55-3.73

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Uneven

1.6 Cleavage

1 or 2,2 prismatic.

Not Available

1.7 Mohs Hardness

6-77-7.5

2 10

1.8 Chemical Composition

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

Not Available

Jade and Hessonite Chemical Formula

While comparing Jade and Hessonite 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 Hessonite chemical formula.

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

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Jade and Hessonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Hessonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Hessonite Optical Properties during the identification of gemstone. Specific gravity of Jade is 3.55-3.73 whereas that of Hessonite is 3.55-3.73.