Periclase and Kyanite Physical Properties

Periclase

Kyanite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.93.53-3.65

1 7.18

1.5 Fracture

Conchoidal, Brittle

Splintery, Brittle, Metallic

1.6 Cleavage

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

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

5.5-64-7

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Periclase and Kyanite Chemical Formula

While comparing Periclase and Kyanite 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 Kyanite chemical formula.

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

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Periclase and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Periclase is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.