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Jade
Jade

Onyx
Onyx



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Jade
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Onyx

Jade and Onyx Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.38
2.55-2.70
1.5 Fracture
Gemstones of the world (2001), Difficult, Splintery
Not Available
1.6 Cleavage
1 or 2,2 prismatic.
Indiscernible
1.7 Mohs Hardness
6-7
6.5-7
1.8 Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
SiO2

Jade and Onyx Chemical Formula

While comparing Jade and Onyx 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 Onyx chemical formula.

  • Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
  • Chemical formula of Onyx- SiO2

Jade and Onyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Onyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Onyx Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.55-2.70 whereas that of Onyx is 2.55-2.70.