Harlequin Opal and Glaucophane Physical Properties

Harlequin Opal

Glaucophane

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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

1.98-2.503-3.15

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Not Available

Good on [110] and on [001]

1.7 Mohs Hardness

5.5-6.56.0-6.5

2 10

1.8 Chemical Composition

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

[ ]Na2(Mg3Al2)Si8O22(OH)2

Harlequin Opal and Glaucophane Chemical Formula

While comparing Harlequin Opal and Glaucophane 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 Glaucophane chemical formula.

Chemical formula of Harlequin Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Harlequin Opal and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Harlequin Opal and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Harlequin Opal and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Harlequin Opal is 3-3.15 whereas that of Glaucophane is 3-3.15.