Gahnospinel and Chrome-Chalcedony Physical Properties

Gahnospinel

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

3.65-4.552.55-2.70

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

None, but may exhibit slight parting

Not Available

1.7 Mohs Hardness

7.5-86.5-7

2 10

1.8 Chemical Composition

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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

Gahnospinel and Chrome-Chalcedony Chemical Formula

While comparing Gahnospinel 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 Gahnospinel and Chrome-Chalcedony chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Gahnospinel and Chrome-Chalcedony Specific Gravity

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