Periclase and Covellite Physical Properties

Periclase

Covellite

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1 Physical Properties

1.1 Tenacity

Brittle

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.94.6-4.76

1 7.18

1.5 Fracture

Conchoidal, Brittle

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

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

Perfect on {0001}

1.7 Mohs Hardness

5.5-6Not Available

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Periclase and Covellite Chemical Formula

While comparing Periclase and Covellite 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 Covellite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Gems Found In Australia

Periclase Vs Scheelite

Periclase Vs Sapphire

Periclase Vs Rinkite Ce

Periclase and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Covellite Optical Properties during the identification of gemstone. Specific gravity of Periclase is 4.6-4.76 whereas that of Covellite is 4.6-4.76.