Gahnospinel and Hematite Physical Properties

Gahnospinel

Hematite

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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

3.65-4.555.00-5.30

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

None, but may exhibit slight parting

None, may show partings on {0001} and {10 1 1}

1.7 Mohs Hardness

7.5-86

2 10

1.8 Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

Gahnospinel and Hematite Chemical Formula

While comparing Gahnospinel and Hematite 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 Hematite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

Compare Blue Gemstones

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Hydrogrossular

Gahnospinel and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Hematite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 5.00-5.30 whereas that of Hematite is 5.00-5.30.