Nuummite and Hibonite Physical Properties

Nuummite

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

3.18-3.373.84

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Perfect on 210

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

5.5-67.5-8

2 10

1.8 Chemical Composition

Not Available

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

Nuummite and Hibonite Chemical Formula

While comparing Nuummite 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 Nuummite and Hibonite chemical formula.

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

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Nuummite and Hibonite Specific Gravity

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