Gahnite and Azurmalachite Physical Properties

Gahnite

Azurmalachite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.623.70-3.95

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

Indistinct parting on [111]

1,1 basal.

1.7 Mohs Hardness

7.5-83.5-4

2 10

1.8 Chemical Composition

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Gahnite and Azurmalachite Chemical Formula

While comparing Gahnite and Azurmalachite 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 Gahnite and Azurmalachite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)

Compare Blue Gemstones

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Gahnite Vs Howlite

Gahnite and Azurmalachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Azurmalachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Azurmalachite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 3.70-3.95 whereas that of Azurmalachite is 3.70-3.95.