Hibonite and Gahnospinel Physical Properties

Hibonite

Gahnospinel

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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

3.843.65-4.55

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{0001} good, {10 1 0} parting

None, but may exhibit slight parting

1.7 Mohs Hardness

7.5-87.5-8

2 10

1.8 Chemical Composition

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

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

Hibonite and Gahnospinel Chemical Formula

While comparing Hibonite 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 Hibonite and Gahnospinel chemical formula.

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

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Hibonite and Gahnospinel Specific Gravity

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