Pyrrhotite and Gahnospinel Physical Properties

Pyrrhotite

Gahnospinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.58-4.653.65-4.55

1 7.18

1.5 Fracture

Uneven

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Absent

None, but may exhibit slight parting

1.7 Mohs Hardness

3.5-4.57.5-8

2 10

1.8 Chemical Composition

Not Available

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

Pyrrhotite and Gahnospinel Chemical Formula

While comparing Pyrrhotite 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 Pyrrhotite and Gahnospinel chemical formula.

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

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Pyrrhotite and Gahnospinel Specific Gravity

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