Gahnospinel and Sylvite Physical Properties

Gahnospinel

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.65-4.551.993

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Brittle

1.6 Cleavage

None, but may exhibit slight parting

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

1.7 Mohs Hardness

7.5-82.5

2 10

1.8 Chemical Composition

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

Not Available

Gahnospinel and Sylvite Chemical Formula

While comparing Gahnospinel and Sylvite 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 Sylvite chemical formula.

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

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Gahnospinel and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 1.993 whereas that of Sylvite is 1.993.