Aragonite and Periclase Physical Properties

Aragonite

Periclase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Dilute acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.93-2.963.7-3.9

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

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

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

1.7 Mohs Hardness

3.5-45.5-6

2 10

1.8 Chemical Composition

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

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Aragonite and Periclase Chemical Formula

While comparing Aragonite and Periclase 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 Periclase chemical formula.

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

Compare Gems for Virgo

Aragonite Vs Peridot

Aragonite Vs Variscite

Aragonite Vs Zircon

Aragonite and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Periclase Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 3.7-3.9 whereas that of Periclase is 3.7-3.9.