Gahnospinel and Riebeckite Physical Properties

Gahnospinel

Riebeckite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.65-4.553.28-3.44

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Splintery, Brittle

1.6 Cleavage

None, but may exhibit slight parting

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

1.7 Mohs Hardness

7.5-85.0-6.0

2 10

1.8 Chemical Composition

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

Not Available

Gahnospinel and Riebeckite Chemical Formula

While comparing Gahnospinel and Riebeckite 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 Riebeckite chemical formula.

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

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Gahnospinel and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.