Chrome-Chalcedony and Cordierite Iolite Physical Properties

Chrome-Chalcedony

Cordierite Iolite

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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

2.55-2.702.56-2.66

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6.5-77-7.5

2 10

1.8 Chemical Composition

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

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Chrome-Chalcedony and Cordierite Iolite Chemical Formula

While comparing Chrome-Chalcedony and Cordierite Iolite 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 Chrome-Chalcedony and Cordierite Iolite chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Compare Blue Gemstones

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Chrome-Chalcedony Vs Cyprine of Berzelius

Chrome-Chalcedony Vs Cordierite Iolite

Chrome-Chalcedony and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.