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Selenite
Selenite

Aragonite
Aragonite



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Selenite
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Aragonite

Selenite and Aragonite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Perfect
2
CaSO4·2H2O
 
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

Selenite and Aragonite Chemical Formula

While comparing Selenite 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 Selenite and Aragonite chemical formula.

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Selenite and Aragonite Specific Gravity

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