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Jet
Jet

Chalcedony
Chalcedony



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Chalcedony

Jet and Chalcedony Physical Properties

Jet
Jet
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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
1.19-1.35
2.55-2.70
1.5 Fracture
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
1.6 Cleavage
Not Available
Absent
1.7 Mohs Hardness
2.5-4
6.5-7
1.8 Chemical Composition
Not Available
SiO2

Jet and Chalcedony Chemical Formula

While comparing Jet 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 Jet and Chalcedony chemical formula.

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  • Chemical formula of Chalcedony- SiO2

Jet and Chalcedony Specific Gravity

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

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