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Piemontite
Piemontite

Aragonite
Aragonite



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Piemontite
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Piemontite and Aragonite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Dilute acid
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available
2.93-2.96
1.5 Fracture
Uneven, Splintery
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
[001] good, [100] distinct
Distinct on {010}, imperfect {110} and {011}
1.7 Mohs Hardness
6-6.5
3.5-4
1.8 Chemical Composition
Not Available
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Piemontite and Aragonite Chemical Formula

While comparing Piemontite 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 Piemontite and Aragonite chemical formula.

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  • Chemical formula of Aragonite- CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Piemontite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Piemontite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Piemontite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.