Helenite and Gahnospinel Physical Properties

Helenite

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

Not Available3.65-4.55

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

Not Available7.5-8

2 10

1.8 Chemical Composition

Not Available

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

Helenite and Gahnospinel Chemical Formula

While comparing Helenite 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 Helenite and Gahnospinel chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Helenite and Gahnospinel Specific Gravity

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