Gahnospinel and Hibonite Physical Properties

Gahnospinel

Hibonite

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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

3.65-4.553.84

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

None, but may exhibit slight parting

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

7.5-87.5-8

2 10

1.8 Chemical Composition

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

(Ca,Ce)(Al,Ti,Mg)12O19

Gahnospinel and Hibonite Chemical Formula

While comparing Gahnospinel and Hibonite 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 Hibonite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

Compare Blue Gemstones

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Hydrogrossular

Gahnospinel and Hibonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 3.84 whereas that of Hibonite is 3.84.