Gahnospinel and Marcasite Physical Properties

Gahnospinel

Marcasite

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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

3.65-4.554.80-4.90

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

None, but may exhibit slight parting

{010} Indistinct

1.7 Mohs Hardness

7.5-86-6.5

2 10

1.8 Chemical Composition

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

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Gahnospinel and Marcasite Chemical Formula

While comparing Gahnospinel and Marcasite 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 Marcasite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Hydrogrossular

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel and Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Marcasite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 4.80-4.90 whereas that of Marcasite is 4.80-4.90.