Rosasite and Harlequin Opal Physical Properties

Rosasite

Harlequin Opal

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.21.98-2.50

1 7.18

1.5 Fracture

Splintery

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

Perfect on {100} and {010}

Not Available

1.7 Mohs Hardness

45.5-6.5

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Harlequin Opal Chemical Formula

While comparing Rosasite 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 Rosasite and Harlequin Opal chemical formula.

Chemical formula of Harlequin Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Rosasite and Harlequin Opal Specific Gravity

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