Azurmalachite and Erythrite Physical Properties

Azurmalachite

Erythrite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-3.95

3.06

1.5 Fracture

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

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

1.6 Cleavage

1,1 basal.

Perfect on {010}; poor on {100} and { 1 02}.

1.7 Mohs Hardness

3.5-4

Not Available

1.8 Chemical Composition

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

Co3(AsO4)2•8(H2O)

Azurmalachite and Erythrite Chemical Formula

While comparing Azurmalachite and Erythrite 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 Erythrite 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 Erythrite- Co3(AsO4)2•8(H2O)

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Azurmalachite and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurmalachite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurmalachite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Azurmalachite is 3.06 whereas that of Erythrite is 3.06.