Piemontite and Hibonite Physical Properties

Piemontite

Hibonite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.84

1 7.18

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

6-6.57.5-8

2 10

1.8 Chemical Composition

Not Available

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

Piemontite and Hibonite Chemical Formula

While comparing Piemontite 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 Piemontite and Hibonite chemical formula.

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

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Piemontite and Hibonite Specific Gravity

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