Nephrite and Jade Physical Properties

Nephrite

Jade

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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

2.90-3.102.90-3.38

1 7.18

1.5 Fracture

Splintery, Granular, Splintery, Granular, Gemstones (2009)

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

Not Available

1 or 2,2 prismatic.

1.7 Mohs Hardness

6-6.56-7

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

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

Nephrite and Jade Chemical Formula

While comparing Nephrite and Jade 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 Nephrite and Jade chemical formula.

Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Nephrite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Jade Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 2.90-3.38 whereas that of Jade is 2.90-3.38.