Harlequin Opal and Powellite Physical Properties

Harlequin Opal

Powellite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.98-2.504.23

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Not Available

{111} Distinct

1.7 Mohs Hardness

5.5-6.53.5-4

2 10

1.8 Chemical Composition

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

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Harlequin Opal and Powellite Chemical Formula

While comparing Harlequin Opal and Powellite 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 Harlequin Opal and Powellite chemical formula.

Chemical formula of Harlequin Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems Found In Australia

Harlequin Opal Vs Periclase

Harlequin Opal Vs Obsidian

Harlequin Opal Vs Pearl

Harlequin Opal and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Harlequin Opal and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Harlequin Opal and Powellite Optical Properties during the identification of gemstone. Specific gravity of Harlequin Opal is 4.23 whereas that of Powellite is 4.23.