Azurmalachite and Spinel Physical Properties

Azurmalachite

Spinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-3.95

3.64-3.66

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

1,1 basal.

None, but may exhibit slight parting

1.7 Mohs Hardness

3.5-4

1.8 Chemical Composition

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

MgAl₂O₄

Azurmalachite and Spinel Chemical Formula

While comparing Azurmalachite and Spinel 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 Spinel 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 Spinel- MgAl₂O₄

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Azurmalachite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurmalachite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurmalachite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Azurmalachite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.