Periclase and Star Sapphire Physical Properties

Periclase

Star Sapphire

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.93.90-4.05

1 7.18

1.5 Fracture

Conchoidal, Brittle

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5.5-6Not Available

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Al 2O 3Ulrich Henn and Claudio C.

Periclase and Star Sapphire Chemical Formula

While comparing Periclase and Star Sapphire 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 Star Sapphire chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Compare Gems Found In Australia

Periclase Vs Sapphire

Periclase Vs Scheelite

Periclase Vs Rinkite Ce

Periclase and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Periclase is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.