Gahnospinel and Rossmanite Physical Properties

Gahnospinel

Rossmanite

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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

3.65-4.553

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Brittle, Metallic

1.6 Cleavage

None, but may exhibit slight parting

None

1.7 Mohs Hardness

7.5-8Not Available

2 10

1.8 Chemical Composition

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

◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Gahnospinel and Rossmanite Chemical Formula

While comparing Gahnospinel and Rossmanite 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 Rossmanite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Compare Blue Gemstones

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Hydrogrossular

Gahnospinel and Rossmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Rossmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Rossmanite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 3 whereas that of Rossmanite is 3.