Azurmalachite and Annabergite Physical Properties

Azurmalachite

Annabergite

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1 Physical Properties

1.2 Tenacity

Not Available

Sectile

1.3 Solubility

Not Available

1.4 Durability

Not Available

1.6 Specific Gravity

3.70-3.953.07

1 7.18

1.9 Fracture

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.10 Cleavage

1,1 basal.

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

1.11 Mohs Hardness

3.5-42

2 10

1.12 Chemical Composition

(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)

Ni3(AsO4)2•8(H2O)

Azurmalachite and Annabergite Chemical Formula

While comparing Azurmalachite 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 Azurmalachite and Annabergite chemical formula.

Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

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Azurmalachite and Annabergite Specific Gravity

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