Opal Australia and Chrome-Chalcedony Physical Properties

Opal Australia

Chrome-Chalcedony

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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

Not Available2.55-2.70

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

Not Available

1.7 Mohs Hardness

5.5-6.56.5-7

2 10

1.8 Chemical Composition

Not Available

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Opal Australia and Chrome-Chalcedony Chemical Formula

While comparing Opal Australia and Chrome-Chalcedony 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 Opal Australia and Chrome-Chalcedony chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Opal Australia and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal Australia and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal Australia and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Opal Australia is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.