Gahnospinel and Sardonyx Physical Properties

Gahnospinel

Sardonyx

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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 2Ulrich Henn and Claudio C.

Gahnospinel and Sardonyx Chemical Formula

While comparing Gahnospinel and Sardonyx 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 Sardonyx chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

Compare Blue Gemstones

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Hydrogrossular

Gahnospinel and Sardonyx Specific Gravity

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