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Aragonite
Aragonite

Coral
Coral



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Aragonite
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Coral

Aragonite and Coral Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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
 
-
-
-
2.60-2.70
Irregular
None
3-4
CaCO 3Ulrich Henn and Claudio C.

Aragonite and Coral Chemical Formula

While comparing Aragonite and Coral 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 Aragonite and Coral chemical formula.

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Aragonite and Coral Specific Gravity

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