Ajoite and Annabergite Physical Properties

Ajoite

Annabergite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.963.07

1 7.18

1.5 Fracture

Not Available

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect on {010}

Perfect on {010}, indistinct on {100} and {102}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Ni3(AsO4)2•8(H2O)

Ajoite and Annabergite Chemical Formula

While comparing Ajoite and Annabergite 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 Annabergite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

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Ajoite and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 3.07 whereas that of Annabergite is 3.07.