Periclase and Ajoite Physical Properties

Periclase

Ajoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.92.96

1 7.18

1.5 Fracture

Conchoidal, Brittle

Not Available

1.6 Cleavage

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

Perfect on {010}

1.7 Mohs Hardness

5.5-65

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Periclase and Ajoite Chemical Formula

While comparing Periclase and Ajoite 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 Ajoite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Periclase and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Periclase is 2.96 whereas that of Ajoite is 2.96.