Sylvite and Gahnospinel Physical Properties

Sylvite

Gahnospinel

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9933.65-4.55

1 7.18

1.5 Fracture

Uneven, Brittle

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on [100], [010], [001]

None, but may exhibit slight parting

1.7 Mohs Hardness

2.57.5-8

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Gahnospinel Chemical Formula

While comparing Sylvite 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 Sylvite and Gahnospinel chemical formula.

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

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Sylvite and Gahnospinel Specific Gravity

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