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Jade
Jade

Chalcedony
Chalcedony



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Jade
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Chalcedony

Jade and Chalcedony Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.382.55-2.70
Amber
1 7.18
1.5 Fracture
Gemstones of the world (2001), Difficult, Splintery
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
1.6 Cleavage
1 or 2,2 prismatic.
Absent
1.7 Mohs Hardness
6-76.5-7
Amber
2 10
1.8 Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
SiO2

Jade and Chalcedony Chemical Formula

While comparing Jade and Chalcedony 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 Chalcedony chemical formula.

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

Jade and Chalcedony Specific Gravity

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