Schultenite and Common Opal Physical Properties

Schultenite

Common Opal

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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

5.943-6.071.98-2.50

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

{010} Good

Not Available

1.7 Mohs Hardness

2.55.5-6.5

2 10

1.8 Chemical Composition

Not Available

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

Schultenite and Common Opal Chemical Formula

While comparing Schultenite and Common 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 Schultenite and Common Opal chemical formula.

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

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Schultenite and Common Opal Specific Gravity

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