Periclase and Harlequin Opal Physical Properties

Periclase

Harlequin Opal

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.91.98-2.50

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5.5-65.5-6.5

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Periclase and Harlequin Opal Chemical Formula

While comparing Periclase and Harlequin Opal 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 Harlequin Opal chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Harlequin Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Compare Gems Found In Australia

Periclase Vs Scheelite

Periclase Vs Rinkite Ce

Periclase Vs Sapphire

Periclase and Harlequin Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Harlequin Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Harlequin Opal Optical Properties during the identification of gemstone. Specific gravity of Periclase is 1.98-2.50 whereas that of Harlequin Opal is 1.98-2.50.