Sapphirine and Periclase Physical Properties

Sapphirine

Periclase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-3.583.7-3.9

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven

Conchoidal, Brittle

1.6 Cleavage

{010} Perfect

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

1.7 Mohs Hardness

7.55.5-6

2 10

1.8 Chemical Composition

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Sapphirine and Periclase Chemical Formula

While comparing Sapphirine and Periclase 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 Sapphirine and Periclase chemical formula.

Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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Sapphirine and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Periclase Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 3.7-3.9 whereas that of Periclase is 3.7-3.9.