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Aragonite and Prase Opal Physical Properties


Prase Opal 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   
1.98-2.25   

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

Cleavage
Distinct on {010}, imperfect {110} and {011}   
Not Available   

Mohs Hardness
3.5-4   
5-6.5   

Chemical Composition
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
SiO 2 + H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Aragonite and Prase Opal Chemical Formula

While comparing Aragonite and Prase Opal 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 Prase Opal chemical formula.

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Aragonite and Prase Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Prase Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Prase Opal Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 1.98-2.25 whereas that of Prase Opal is 1.98-2.25.

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