Ajoite and Hibonite Physical Properties

Ajoite

Hibonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.963.84

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Perfect on {010}

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

57.5-8

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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

Ajoite and Hibonite Chemical Formula

While comparing Ajoite 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 Ajoite and Hibonite chemical formula.

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

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Ajoite and Hibonite Specific Gravity

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