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Aragonite and Peridot Physical Properties


Peridot and Aragonite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Dilute acid   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.93-2.96   
1.54-1.55   

Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   
Conchoidal   

Cleavage
Distinct on {010}, imperfect {110} and {011}   
Poor   

Mohs Hardness
3.5-4   
6.5-7   

Chemical Composition
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
(Mg,Fe)2SiO4   

Optical Properties >>
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Aragonite and Peridot Chemical Formula

While comparing Aragonite and Peridot 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 Peridot chemical formula.

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Aragonite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.

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