Periclase and Aragonite Physical Properties

Periclase

Aragonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.92.93-2.96

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

{001} perfect; {111} imperfect, may exhibit parting on , {011}

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

1.7 Mohs Hardness

5.5-63.5-4

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Periclase and Aragonite Chemical Formula

While comparing Periclase 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 Periclase and Aragonite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems Found In Australia

Periclase Vs Scheelite

Periclase Vs Rinkite Ce

Periclase Vs Sapphire

Periclase and Aragonite Specific Gravity

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