Phlogopite and Hibonite Physical Properties

Phlogopite

Hibonite

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1 Physical Properties

1.1 Tenacity

Tough

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.853.84

1 7.18

1.5 Fracture

None, Uneven

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

1.6 Cleavage

Perfect basal (001)

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

2-2.57.5-8

2 10

1.8 Chemical Composition

Not Available

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

Phlogopite and Hibonite Chemical Formula

While comparing Phlogopite 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 Phlogopite and Hibonite chemical formula.

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

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Phlogopite and Hibonite Specific Gravity

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