Periclase and Austinite Physical Properties

Periclase

Austinite

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Physical Properties

Tenacity

Brittle

Solubility

Easily soluble in cold dilute HCl

Durability

Specific Gravity

3.7-3.94.12

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

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

Good in two directions parallel to the prism faces {110}

Mohs Hardness

5.5-64-4.5

2 10

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Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

CaZn(AsO4)(OH)

Periclase and Austinite Chemical Formula

While comparing Periclase and Austinite 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 Austinite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Austinite- CaZn(AsO4)(OH)

Compare Gems Found In Australia

Periclase Vs Simpsonite

Periclase Vs Stichtite

Periclase Vs Jelly Opal

Periclase and Austinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Austinite Optical Properties during the identification of gemstone. Specific gravity of Periclase is 4.12 whereas that of Austinite is 4.12.