Ammolite and Crystal Opal Physical Properties

Ammolite

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

2.75-2.801.97-2.22

1 7.18

1.5 Fracture

Uneven, Granular

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

1.6 Cleavage

no true cleavage

Not Available

1.7 Mohs Hardness

45.5-6.5

2 10

1.8 Chemical Composition

Not Available

SiO 2 + H 2OUlrich Henn and Claudio C.

Ammolite and Crystal Opal Chemical Formula

While comparing Ammolite 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 Ammolite and Crystal Opal chemical formula.

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

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Ammolite and Crystal Opal Specific Gravity

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