Sulphur and Periclase Physical Properties

Sulphur

Periclase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.05-2.083.7-3.9

1 7.18

1.5 Fracture

Not Available

Conchoidal, Brittle

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

SWalter Schumann , Gemstones of the world (2001)

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Sulphur and Periclase Chemical Formula

While comparing Sulphur 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 Sulphur and Periclase chemical formula.

Chemical formula of Sulphur- SWalter Schumann , Gemstones of the world (2001)
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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Sulphur and Periclase Specific Gravity

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