Periclase and Prase Physical Properties

Periclase

Prase

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.92.64-2.69

1 7.18

1.5 Fracture

Conchoidal, Brittle

Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5.5-67

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Periclase and Prase Chemical Formula

While comparing Periclase and Prase 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 Prase chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Prase- SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Periclase and Prase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Prase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Prase Optical Properties during the identification of gemstone. Specific gravity of Periclase is 2.64-2.69 whereas that of Prase is 2.64-2.69.