Periclase and Sylvite Physical Properties

Periclase

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.91.993

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Brittle

1.6 Cleavage

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

Perfect on [100], [010], [001]

1.7 Mohs Hardness

5.5-62.5

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Periclase and Sylvite Chemical Formula

While comparing Periclase and Sylvite 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 Sylvite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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Periclase and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Periclase is 1.993 whereas that of Sylvite is 1.993.