Gahnospinel and Dallasite Physical Properties

Gahnospinel

Dallasite

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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

3.65-4.552.58-2.91

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)

Not Available

Gahnospinel and Dallasite Chemical Formula

While comparing Gahnospinel and Dallasite 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 Dallasite chemical formula.

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

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Gahnospinel and Dallasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Dallasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Dallasite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.58-2.91 whereas that of Dallasite is 2.58-2.91.