Hibonite and Neptunite Physical Properties

Hibonite

Neptunite

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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

3.843.19-3.23

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{0001} good, {10 1 0} parting

{110} good

1.7 Mohs Hardness

7.5-85-6

2 10

1.8 Chemical Composition

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

KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Hibonite and Neptunite Chemical Formula

While comparing Hibonite and Neptunite 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 Neptunite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

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Hibonite and Neptunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Neptunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Neptunite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.19-3.23 whereas that of Neptunite is 3.19-3.23.