Zincite and Periclase Physical Properties

Zincite

Periclase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.5 Specific Gravity

5.50-5.903.7-3.9

1 7.18

2.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Conchoidal, Brittle

2.6 Cleavage

On {10 1 0}, perfect; parting on {000 1 }

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

2.7 Mohs Hardness

45.5-6

2 10

2.8 Chemical Composition

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Zincite and Periclase Chemical Formula

While comparing Zincite 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 Zincite and Periclase chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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Zincite and Periclase Specific Gravity

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