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Creedite
Creedite

Aragonite
Aragonite



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Creedite
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Aragonite

Creedite and Aragonite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.70
Uneven, Conchoidal
Perfect on {100}
4.5
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
 
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

Creedite and Aragonite Chemical Formula

While comparing Creedite 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 Creedite and Aragonite chemical formula.

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Creedite and Aragonite Specific Gravity

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