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Carnelian
Carnelian

Aragonite
Aragonite



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Carnelian
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Aragonite

Carnelian and Aragonite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.58-2.64
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO2
 
Brittle
Dilute acid
-
2.93-2.96
Subconchoidal, Conchoidal
Distinct on {010}, imperfect {110} and {011}
3.5-4
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Carnelian and Aragonite Chemical Formula

While comparing Carnelian and Aragonite 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 Carnelian and Aragonite chemical formula.

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Carnelian and Aragonite Specific Gravity

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