Hibonite and Nuummite Physical Properties

Hibonite

Nuummite

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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

3.843.18-3.37

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

{0001} good, {10 1 0} parting

Perfect on 210

1.7 Mohs Hardness

7.5-85.5-6

2 10

1.8 Chemical Composition

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

Not Available

Hibonite and Nuummite Chemical Formula

While comparing Hibonite and Nuummite 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 Nuummite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

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Hibonite and Nuummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Nuummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Nuummite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.18-3.37 whereas that of Nuummite is 3.18-3.37.