Sardonyx and Jade Physical Properties

Sardonyx

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

2.55-2.702.90-3.38

1 7.18

1.5 Fracture

Not Available

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

Not Available

1 or 2,2 prismatic.

1.7 Mohs Hardness

6.5-76-7

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sardonyx and Jade Chemical Formula

While comparing Sardonyx 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 Sardonyx and Jade chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Sardonyx and Jade Specific Gravity

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