Hibonite and Agrellite Physical Properties

Hibonite

Agrellite

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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

3.842.88

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{0001} good, {10 1 0} parting

perfect [110]

1.7 Mohs Hardness

7.5-85.5

2 10

1.8 Chemical Composition

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

NaCa2Si4O10F

Hibonite and Agrellite Chemical Formula

While comparing Hibonite and Agrellite 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 Agrellite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Agrellite- NaCa2Si4O10F

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Hibonite and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 2.88 whereas that of Agrellite is 2.88.