Sardonyx and Gahnospinel Physical Properties

Sardonyx

Gahnospinel

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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

2.55-2.703.65-4.55

1 7.18

1.5 Fracture

Not Available

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

None, but may exhibit slight parting

1.7 Mohs Hardness

6.5-77.5-8

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sardonyx and Gahnospinel Chemical Formula

While comparing Sardonyx and Gahnospinel 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 Sardonyx and Gahnospinel chemical formula.

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

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Sardonyx and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.