Ajoite and Onyx Physical Properties

Ajoite

Onyx

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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

2.962.55-2.70

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

Perfect on {010}

Indiscernible

1.7 Mohs Hardness

56.5-7

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

SiO₂

Ajoite and Onyx Chemical Formula

While comparing Ajoite and Onyx 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 Onyx chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Onyx- SiO₂

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Ajoite and Onyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Onyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Onyx Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 2.55-2.70 whereas that of Onyx is 2.55-2.70.