Periclase and Ruby Physical Properties

Periclase

Ruby

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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

3.7-3.93.97-4.05

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal

1.6 Cleavage

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

No true cleavage

1.7 Mohs Hardness

5.5-69

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Al ₂ O ₃

Periclase and Ruby Chemical Formula

While comparing Periclase and Ruby 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 Ruby chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Ruby- Al ₂ O ₃

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Periclase Vs Scheelite

Periclase Vs Rinkite Ce

Periclase Vs Sapphire

Periclase and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Ruby Optical Properties during the identification of gemstone. Specific gravity of Periclase is 3.97-4.05 whereas that of Ruby is 3.97-4.05.