Chromite and Chrome-Chalcedony Physical Properties

Chromite

Chrome-Chalcedony

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.82.55-2.70

1 7.18

1.5 Fracture

Uneven

Not Available

1.6 Cleavage

None, parting may develop along {111}

Not Available

1.7 Mohs Hardness

5.56.5-7

2 10

1.8 Chemical Composition

Fe++Cr2O4

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

Chromite and Chrome-Chalcedony Chemical Formula

While comparing Chromite 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 Chromite and Chrome-Chalcedony chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Chromite and Chrome-Chalcedony Specific Gravity

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