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Mottramite
Mottramite

Aragonite
Aragonite



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Mottramite
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Aragonite

Mottramite and Aragonite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Soluble
Dilute acid
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.9
2.93-2.96
1.5 Fracture
Sub-Conchoidal, Brittle, Metallic
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
None observed
Distinct on {010}, imperfect {110} and {011}
1.7 Mohs Hardness
3
3.5-4
1.8 Chemical Composition
Not Available
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mottramite and Aragonite Chemical Formula

While comparing Mottramite 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 Mottramite and Aragonite chemical formula.

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

Mottramite and Aragonite Specific Gravity

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