Paraiba and Crystal Opal Physical Properties

Paraiba

Crystal 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

3.04-3.131.97-2.22

1 7.18

1.5 Fracture

Not Available

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

1.7 Mohs Hardness

7-7.55.5-6.5

2 10

1.8 Chemical Composition

Not Available

SiO 2 + H 2OUlrich Henn and Claudio C.

Paraiba and Crystal Opal Chemical Formula

While comparing Paraiba and Crystal 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 Paraiba and Crystal Opal chemical formula.

Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Blue Gemstones

Paraiba Vs Andean Opal

Paraiba Vs Anatase

Paraiba Vs Ammolite

Paraiba and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Paraiba and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Paraiba and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Paraiba is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.