Hibonite and Ajoite Physical Properties

Hibonite

Ajoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.842.96

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 on {010}

1.7 Mohs Hardness

7.5-85

2 10

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Hibonite and Ajoite Chemical Formula

While comparing Hibonite and Ajoite 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 Ajoite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Hibonite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 2.96 whereas that of Ajoite is 2.96.