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Chalcedony
Chalcedony

Prase
Prase



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Chalcedony
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Prase

Chalcedony and Prase Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Soluble
-
2.55-2.70
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO2
 
-
-
-
2.64-2.69
-
None
7
SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Chalcedony and Prase Chemical Formula

While comparing Chalcedony and Prase 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 Chalcedony and Prase chemical formula.

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Chalcedony and Prase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcedony and Prase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony Vs Prase during the identification of gemstone. Specific gravity of Chalcedony is whereas that of Prase is .