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Aragonite and Milarite Physical Properties


Milarite 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   
2.52-2.60   

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

Cleavage
Distinct on {010}, imperfect {110} and {011}   
{0001} Imperfect, {1120} Imperfect   

Mohs Hardness
3.5-4   
5.5-6   

Chemical Composition
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Aragonite and Milarite Chemical Formula

While comparing Aragonite and Milarite 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 Milarite chemical formula.

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Aragonite and Milarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Milarite Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 2.52-2.60 whereas that of Milarite is 2.52-2.60.

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