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Chalcedony
Chalcedony

Cuprite
Cuprite



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Chalcedony
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Cuprite

Chalcedony and Cuprite Physical Properties

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
 
Brittle
-
-
5.85-6.15
Conchoidal
Fair in four directions forming octahedrons
3.5-4
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Chalcedony and Cuprite Chemical Formula

While comparing Chalcedony and Cuprite 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 Cuprite chemical formula.

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Chalcedony and Cuprite Specific Gravity

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